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Note: This page contains sample records for the topic "intelligent distributed power" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


1

Protecting Intelligent Distributed Power Grids Against Cyber...  

Broader source: Energy.gov (indexed) [DOE]

distribution, IT networks, and control systems-that use automated data analysis and demand response capabilities to increase system functionality, efficiency, and...

2

Fact Sheet: Protecting Intelligent Distributed Power Grids Against Cyber Attacks  

Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious Rank EERE:YearRound-UpHeat PumpRecord ofESPCofConstructionofFYOxideof Energy CleanProtecting Intelligent

3

Fact Sheet: Protecting Intelligent Distributed Power Grids Against...  

Broader source: Energy.gov (indexed) [DOE]

distribution, IT networks, and control systems-that use automated data analysis and demand response capabilities to increase system functionality, efficiency, and...

4

Protecting Intelligent Distributed Power Grids against Cyber Attacks  

SciTech Connect (OSTI)

Like other industrial sectors, the electrical power industry is facing challenges involved with the increasing demand for interconnected operations and control. The electrical industry has largely been restructured due to deregulation of the electrical market and the trend of the Smart Grid. This moves new automation systems from being proprietary and closed to the current state of Information Technology (IT) being highly interconnected and open. However, while gaining all of the scale and performance benefits of IT, existing IT security challenges are acquired as well. The power grid automation network has inherent security risks due to the fact that the systems and applications for the power grid were not originally designed for the general IT environment. In this paper, we propose a conceptual layered framework for protecting power grid automation systems against cyber attacks. The following factors are taken into account: (1) integration with existing, legacy systems in a non-intrusive fashion; (2) desirable performance in terms of modularity, scalability, extendibility, and manageability; (3) alignment to the 'Roadmap to Secure Control Systems in the Energy Sector' and the future smart grid. The on-site system test of the developed prototype security system is briefly presented as well.

Dong Wei; Yan Lu; Mohsen Jafari; Paul Skare; Kenneth Rohde

2010-12-31T23:59:59.000Z

5

Protecting Intelligent Distributed Power Grids Against Cyber Attacks - May  

Office of Environmental Management (EM)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "of Energy Power.pdf11-161-LNG |September 15,2015 | Department ofThatGrid3

6

Intelligent wind power prediction systems final report  

E-Print Network [OSTI]

Intelligent wind power prediction systems ­ final report ­ Henrik Aalborg Nielsen (han (FU 4101) Ens. journal number: 79029-0001 Project title: Intelligent wind power prediction systems #12;#12;Intelligent wind power prediction systems 1/36 Contents 1 Introduction 6 2 The Wind Power Prediction Tool 7 3

7

Power system fault analysis based on intelligent techniques and intelligent electronic device data  

E-Print Network [OSTI]

This dissertation has focused on automated power system fault analysis. New contributions to fault section estimation, protection system performance evaluation and power system/protection system interactive simulation have been achieved. Intelligent...

Luo, Xu

2007-09-17T23:59:59.000Z

8

DISTRIBUTED OPTIMIZATION AND CONTROL OF OFFSHORE OIL PRODUCTION: THE INTELLIGENT  

E-Print Network [OSTI]

DISTRIBUTED OPTIMIZATION AND CONTROL OF OFFSHORE OIL PRODUCTION: THE INTELLIGENT PLATFORM Michael R to distributed optimization and control of offshore oil production systems. The model incorporates a complex pipeline network. Oil and gas production systems are represented as a network of connected hierarchical

Foss, Bjarne A.

9

Intelligent Voltage and Reactive Power Control of Mini-Hydro Power Stations for Maximisation of Real  

E-Print Network [OSTI]

1 Intelligent Voltage and Reactive Power Control of Mini-Hydro Power Stations for Maximisation Control (APFC) modes. The ability to export active and reactive power from mini-hydro power generators electrical power generation from renewable resources. Additionally, the potential early retiral of central

Harrison, Gareth

10

INTRODUCTION In order to allow intelligent power control and  

E-Print Network [OSTI]

requirements in smart grid by secur- ing the information on single customer data, incentive plans, and other of Attribute Based Encryption (ABE) for smart grid communication scenarios. In particular, we focusINTRODUCTION In order to allow intelligent power control and monitoring, the concept of smart grid

Shen, Xuemin "Sherman"

11

Encapsulating the meta-level knowledge in distributed artificial intelligence  

E-Print Network [OSTI]

solving process and resiliency and decentralized control to the distributed system as a whole. This capability extends distributed artificial intelligence techniques to a much broader range of application domains. ACKNOWLEDGMENTS As everyone who has... and methodologies are evolving that reduce the time and efFort in the development of production quality expert systems. Methods of knowledge acquisition, knowledge representation, inferencing, learn- ing, and a host of other non-traditional means of' computation...

Underbrink, Alvin Joseph

1988-01-01T23:59:59.000Z

12

Intentionality, Artificial Intelligence and the Causal Powers of the Brain  

E-Print Network [OSTI]

Intentionality, Artificial Intelligence and the Causal Powers of the Brain Jeffrey M. Whitmer Northern Illinois University It seems to be a common belief that in the future, if not in the present, digital computers are going to be capable... of cognitive states, experiences, and con sciousness equal in every respect to that which exists in human beings. 1 Not everyone, however, is so optimistic. One such skeptic is John Searle and his "Minds, Brains, and Programs" 2 represents a direct con...

Whitmer, Jeffrey M.

13

Main Injector power distribution system  

SciTech Connect (OSTI)

The paper describes a new power distribution system for Fermilab's Main Injector. The system provides 13.8 kV power to Main Injector accelerator (accelerator and conventional loads) and is capable of providing power to the rest of the laboratory (backfeed system). Design criteria, and features including simulation results are given.

Cezary Jach and Daniel Wolff

2002-06-03T23:59:59.000Z

14

Distribution power quality measurement program  

SciTech Connect (OSTI)

This paper describes different facets of a distribution system power quality monitoring program with analysis of data from 222 different sites during the project`s first year. Information regarding the site selection process is provided. Preliminary results for voltage harmonic distortion and sags are presented from the project`s study population of feeders, including the use of novel power quality analysis techniques.

Sabin, D.D.; Grebe, T.E.; Melhorn, C.J. [Electrotek Concepts, Inc., Knoxville, TN (United States); Sundaram, A. [Electric Power Research Inst., Palo Alto, CA (United States)

1995-12-31T23:59:59.000Z

15

Power Transmission, Distribution and Plants  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Power Transmission, Distribution and Plants A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Abdel-Aal, Radwan E. - Computer Engineering Department, King Fahd University of...

16

DOWNHOLE POWER GENERATION AND WIRELESS COMMUNICATIONS FOR INTELLIGENT COMPLETIONS APPLICATIONS  

SciTech Connect (OSTI)

The first quarter of the Downhole Power Generation and Wireless Communications for Intelligent Completions Applications was characterized by the evaluation and determination of the specifications required for the development of the system for permanent applications in wellbores to the optimization of hydrocarbon production. The system will monitor and transmit in real time pressure and temperature information from downhole using the production tubing as the medium for the transmission of the acoustic waves carrying digital information. The most common casing and tubing sizes were determined by interfacing with the major oil companies to obtain information related to their wells. The conceptual design was created for both the wireless gauge section of the tool as well as the power generation module. All hardware for the wireless gauge will be placed in an atmospheric pressure chamber located on the outside of a production tubing with 11.4 centimeter (4-1/2 inch) diameter. This mounting technique will reduce cost as well as the diameter and length of the tool and increase the reliability of the system. The power generator will use piezoelectric wafers to generate electricity based on the flow of hydrocarbons through an area in the wellbore where the tool will be deployed. The goal of the project is to create 1 Watt of power continuously.

Paul Tubel

2003-03-24T23:59:59.000Z

17

Proceedings of the Workshop on software tools for distributed intelligent control systems  

SciTech Connect (OSTI)

The Workshop on Software Tools for Distributed Intelligent Control Systems was organized by Lawrence Livermore National Laboratory for the United States Army Headquarters Training and Doctrine Command and the Defense Advanced Research Projects Agency. The goals of the workshop were to the identify the current state of the art in tools which support control systems engineering design and implementation, identify research issues associated with writing software tools which would provide a design environment to assist engineers in multidisciplinary control design and implementation, formulate a potential investment strategy to resolve the research issues and develop public domain code which can form the core of more powerful engineering design tools, and recommend test cases to focus the software development process and test associated performance metrics. Recognizing that the development of software tools for distributed intelligent control systems will require a multidisciplinary effort, experts in systems engineering, control systems engineering, and compute science were invited to participate in the workshop. In particular, experts who could address the following topics were selected: operating systems, engineering data representation and manipulation, emerging standards for manufacturing data, mathematical foundations, coupling of symbolic and numerical computation, user interface, system identification, system representation at different levels of abstraction, system specification, system design, verification and validation, automatic code generation, and integration of modular, reusable code.

Herget, C.J. (ed.)

1990-09-01T23:59:59.000Z

18

Optimization of Wind Power and Its Variability With a Computational Intelligence Approach  

E-Print Network [OSTI]

Optimization of Wind Power and Its Variability With a Computational Intelligence Approach Zijun is presented for maximizing the generation of wind power while minimizing its variability. In the optimization model, data-driven approaches are used to model the wind-power generation process based on industrial

Kusiak, Andrew

19

A DISTRIBUTED INTELLIGENT AUTOMATED DEMAND RESPONSE BUILDING MANAGEMENT SYSTEM  

SciTech Connect (OSTI)

The goal of the 2.5 year Distributed Intelligent Automated Demand Response (DIADR) project was to reduce peak electricity load of Sutardja Dai Hall at UC Berkeley by 30% while maintaining a healthy, comfortable, and productive environment for the occupants. We sought to bring together both central and distributed control to provide deep demand response1 at the appliance level of the building as well as typical lighting and HVAC applications. This project brought together Siemens Corporate Research and Siemens Building Technology (the building has a Siemens Apogee Building Automation System (BAS)), Lawrence Berkeley National Laboratory (leveraging their Open Automated Demand Response (openADR), Auto-?Demand Response, and building modeling expertise), and UC Berkeley (related demand response research including distributed wireless control, and grid-?to-?building gateway development). Sutardja Dai Hall houses the Center for Information Technology Research in the Interest of Society (CITRIS), which fosters collaboration among industry and faculty and students of four UC campuses (Berkeley, Davis, Merced, and Santa Cruz). The 141,000 square foot building, occupied in 2009, includes typical office spaces and a nanofabrication laboratory. Heating is provided by a district heating system (steam from campus as a byproduct of the campus cogeneration plant); cooling is provided by one of two chillers: a more typical electric centrifugal compressor chiller designed for the cool months (Nov-? March) and a steam absorption chiller for use in the warm months (April-?October). Lighting in the open office areas is provided by direct-?indirect luminaries with Building Management System-?based scheduling for open areas, and occupancy sensors for private office areas. For the purposes of this project, we focused on the office portion of the building. Annual energy consumption is approximately 8053 MWh; the office portion is estimated as 1924 MWh. The maximum peak load during the study period was 1175 kW. Several new tools facilitated this work, such as the Smart Energy Box, the distributed load controller or Energy Information Gateway, the web-?based DR controller (dubbed the Central Load-?Shed Coordinator or CLSC), and the Demand Response Capacity Assessment & Operation Assistance Tool (DRCAOT). In addition, an innovative data aggregator called sMAP (simple Measurement and Actuation Profile) allowed data from different sources collected in a compact form and facilitated detailed analysis of the building systems operation. A smart phone application (RAP or Rapid Audit Protocol) facilitated an inventory of the buildings plug loads. Carbon dioxide sensors located in conference rooms and classrooms allowed demand controlled ventilation. The extensive submetering and nimble access to this data provided great insight into the details of the building operation as well as quick diagnostics and analyses of tests. For example, students discovered a short-?cycling chiller, a stuck damper, and a leaking cooling coil in the first field tests. For our final field tests, we were able to see how each zone was affected by the DR strategies (e.g., the offices on the 7th floor grew very warm quickly) and fine-?tune the strategies accordingly.

Auslander, David; Culler, David; Wright, Paul; Lu, Yan; Piette, Mary

2013-12-30T23:59:59.000Z

20

Fuel Cell Comparison of Distributed Power Generation Technologies...  

Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

Cell Comparison of Distributed Power Generation Technologies Fuel Cell Comparison of Distributed Power Generation Technologies This report examines backup power and prime power...

Note: This page contains sample records for the topic "intelligent distributed power" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


21

Distributed Power Delivery for Energy Efficient and Low Power Systems  

E-Print Network [OSTI]

Distributed Power Delivery for Energy Efficient and Low Power Systems Selc¸uk K¨ose Department are needed to determine the location of these on-chip power supplies and decoupling capacitors. In this paper, the optimal location of the power supplies and decoupling capacitors is determined for different size

Friedman, Eby G.

22

Toward Distributed Intelligent: A Case Study of Peer to Peer Communication in Smart Grid  

E-Print Network [OSTI]

Toward Distributed Intelligent: A Case Study of Peer to Peer Communication in Smart Grid Mingkui, Raleigh, NC, USA Email: {mwei2, wwang}@ncsu.edu Abstract--Smart grid is an emerging cyber-physical system. As a result, traditional centralized control is not always effective in smart grid, and distributed control

Wang, Wenye

23

adaptive intelligent power: Topics by E-print Network  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

the uncertainty before, Power system economics, Power system security, Uncertainty, Locational Marginal Prices. I. INTRODUCTION for all "reasonable" realizations (i.e., those in...

24

IEEE TRANSACTIONS ON PATTERN ANALYSIS AND MACHINE INTELLIGENCE 1 Learning Multivariate Distributions  

E-Print Network [OSTI]

IEEE TRANSACTIONS ON PATTERN ANALYSIS AND MACHINE INTELLIGENCE 1 Learning Multivariate for learning high-dimensional multivariate probability distributions from estimated marginals. The approach- tially well-adapted to small-sample learning, where the bias-variance trade-off makes it necessary

Geman, Donald

25

Intelligent Sensor Validation and Fusion with distributed "MEMS Dust" Sensors Shijun Qiu*  

E-Print Network [OSTI]

Intelligent Sensor Validation and Fusion with distributed "MEMS Dust" Sensors (Abstract) Shijun Qiu, Berkeley aagogino@euler.berkeley.edu Key Words : sensor networks, sensor fusion, sensor validation, micro-electromechanical systems, MEMS MEMS sensors make a rich design space of networked sensors viable. They can be deeply

Agogino, Alice M.

26

Cathode power distribution system and method of using the same for power distribution  

DOE Patents [OSTI]

Embodiments include a cathode power distribution system and/or method of using the same for power distribution. The cathode power distribution system includes a plurality of cathode assemblies. Each cathode assembly of the plurality of cathode assemblies includes a plurality of cathode rods. The system also includes a plurality of bus bars configured to distribute current to each of the plurality of cathode assemblies. The plurality of bus bars include a first bus bar configured to distribute the current to first ends of the plurality of cathode assemblies and a second bus bar configured to distribute the current to second ends of the plurality of cathode assemblies.

Williamson, Mark A; Wiedmeyer, Stanley G; Koehl, Eugene R; Bailey, James L; Willit, James L; Barnes, Laurel A; Blaskovitz, Robert J

2014-11-11T23:59:59.000Z

27

Distributed mobile platforms and applications for intelligent transportation systems  

E-Print Network [OSTI]

Smartphones are pervasive, and possess powerful processors, multi-faceted sensing, and multiple radios. However, networked mobile apps still typically use a client-server programming model, sending all shared data queries ...

Gao, Jason Hao

2013-01-01T23:59:59.000Z

28

478 IEEE Transactionson Energy Conversion,vol.7, No. 3, September1092. THE PENN STATE INTELLIGENT DISTRIBUTED CONTROL RESEARCH LABORATORY  

E-Print Network [OSTI]

microprocessor-based control system which is interfaced to real-time simulations of power plant processes, intelligent, and other advancedcontroltechniques for nuclear power plants. Keywords -simulation reactor power plant. This test-bed, which may be expanded to simulate other nuclear power plant

Ray, Asok

29

DOWNHOLE POWER GENERATION AND WIRELESS COMMUNICATIONS FOR INTELLIGENT COMPLETIONS APPLICATIONS  

SciTech Connect (OSTI)

The development work during this quarter was focused in the assembly of the downhole power generator hardware and its electronics module. The quarter was also spent in the development of the surface system electronics and software to extract the acoustic data transmitted from downhole to the surface from the noise generated by hydrocarbon flow in wells and to amplify very small acoustic signals to increase the distance between the downhole tool and the surface receiver. The tasks accomplished during this report period were: (1) Assembly of the downhole power generator mandrel for generation of electrical power due to flow in the wellbore. (2) Test the piezoelectric wafers to assure that they are performing properly prior to integrating them to the mechanical power generator mandrel. (3) Coat the power generator wafers to prevent water from shorting the power generator wafers. (4) Test of the power generator using a water tower and an electric pump to create a water flow loop. (5) Test the power harvesting electronics module. (6) Upgrade the signal condition and amplification from downhole into the surface system. (7) Upgrade the surface processing system capability to process data faster. (8) Create a new filtering technique to extract the signal from noise after the data from downhole is received at the surface system.

Paul Tubel

2004-02-01T23:59:59.000Z

30

ITP Industrial Distributed Energy: Combined Heat and Power -...  

Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

ITP Industrial Distributed Energy: Combined Heat and Power - A Decade of Progress, A Vision for the Future ITP Industrial Distributed Energy: Combined Heat and Power - A Decade of...

31

Ion Distribution And Electronic Stopping Power For Au ions In...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Distribution And Electronic Stopping Power For Au ions In Silicon Carbide. Ion Distribution And Electronic Stopping Power For Au ions In Silicon Carbide. Abstract: Accurate...

32

Power distribution engineering: Fundamentals and applications  

SciTech Connect (OSTI)

Covering virtually all areas of distribution engineering, this thoroughly up-to-date reference examines the unique behavior of utilities and provides the practical knowledge necessary to solve real-world distribution problems. Simplifying seemingly difficult concepts and calculations, Power Distribution Engineering addresses topics typically associated with power quality such as sags, swells, harmonics, electromagnetic fields, and stray voltage; describes different types of system designs and grounding as well as values for voltage, line lengths, and load and fault levels; details the loading, construction, and rating of various transformers; presents methods to maximize the effectiveness of capacitor placement; explains overcurrent and overvoltage protection of distribution systems; evaluates utilities using economic techniques that incorporate ideas such as present worth, carrying charge, cost of losses, operating costs, and customer satisfaction. Furnishing over 425 helpful equations, tables, drawings, and photographs, Power Distribution Engineering is an invaluable resource for electrical and electronics, utility distribution, power systems, control, protection, and relaying engineers, as well as graduate students in these disciplines.

Burke, J.J.

1994-01-01T23:59:59.000Z

33

Intelligent Sun Tracking for a CPV Power Plant  

SciTech Connect (OSTI)

The output of a solar panel is strongly dependent on the amount of perpendicular light flux falling on its surface, and a tracking system tries to parallel the vector area of the solar panel surface to the incident solar flux. We present a tracking technique based on a two-axis sun sensor which can be used to increase the power output from a number of CPV arrays connected together in a solar power plant. The outdoor testing procedure of the developed two-axis sun sensor is discussed. The detail of the algorithm used together with the related sun tracking equipment is also presented and discussed for the new two axes sun tracking system.

Maqsood, Ishtiaq; Emziane, Mahieddine [Solar Energy Materials and Devices Lab., Masdar Institute of Science and Technology, P.O. Box 54224, Abu Dhabi (United Arab Emirates)

2010-10-14T23:59:59.000Z

34

Optimal Distributed Voltage Regulation in Power Distribution Networks  

E-Print Network [OSTI]

In this paper, we address the problem of voltage regulation in power distribution networks with deep-penetration of distributed energy resources (DERs), e.g., renewable-based generation, and storage-capable loads such as plug-in hybrid electric vehicles. We cast the problem as an optimization program, where the objective is to minimize the losses in the network subject to constraints on bus voltage magnitudes, limits on active and reactive power injections, transmission line thermal limits and losses. We provide sufficient conditions under which the optimization problem can be solved via its convex relaxation. Using data from existing networks, we show that the conditions are expected to be satisfied by most networks. We also provide an efficient distributed algorithm to solve the problem. The algorithm is asynchronous, with a communication topology that is the same as the electrical network topology. We illustrate the algorithm's performance in the IEEE 34-bus and the 123-bus feeder test systems.

Lam, Albert Y S; Dominguez-Garcia, Alejandro; Tse, David

2012-01-01T23:59:59.000Z

35

Distributed Power Allocation in Prosumer Thiagarajan Ramachandran,  

E-Print Network [OSTI]

Distributed Power Allocation in Prosumer Networks Thiagarajan Ramachandran, Zak Costello, Peter for its solution. We show that the information required by the individual prosumers to solve the problem occurs, the lines between producer and consumer become less clear leading to a hybrid prosumer

Egerstedt, Magnus

36

Advanced Power Electronic Interfaces for Distributed  

E-Print Network [OSTI]

, and Experimental Evaluation of Advanced Control Functions for Single-Phase Utility-Connected Inverter S Evaluation of Advanced Control Functions for Single-Phase Utility-Connected Inverter S. Chakraborty, BAdvanced Power Electronic Interfaces for Distributed Energy Systems Part 2: Modeling, Development

37

Integrated Computing, Communication, and Distributed Control of Deregulated Electric Power Systems  

SciTech Connect (OSTI)

Restructuring of the electricity market has affected all aspects of the power industry from generation to transmission, distribution, and consumption. Transmission circuits, in particular, are stressed often exceeding their stability limits because of the difficulty in building new transmission lines due to environmental concerns and financial risk. Deregulation has resulted in the need for tighter control strategies to maintain reliability even in the event of considerable structural changes, such as loss of a large generating unit or a transmission line, and changes in loading conditions due to the continuously varying power consumption. Our research efforts under the DOE EPSCoR Grant focused on Integrated Computing, Communication and Distributed Control of Deregulated Electric Power Systems. This research is applicable to operating and controlling modern electric energy systems. The controls developed by APERC provide for a more efficient, economical, reliable, and secure operation of these systems. Under this program, we developed distributed control algorithms suitable for large-scale geographically dispersed power systems and also economic tools to evaluate their effectiveness and impact on power markets. Progress was made in the development of distributed intelligent control agents for reliable and automated operation of integrated electric power systems. The methodologies employed combine information technology, control and communication, agent technology, and power systems engineering in the development of intelligent control agents for reliable and automated operation of integrated electric power systems. In the event of scheduled load changes or unforeseen disturbances, the power system is expected to minimize the effects and costs of disturbances and to maintain critical infrastructure operational.

Bajura, Richard; Feliachi, Ali

2008-09-24T23:59:59.000Z

38

Most Viewed Documents for Power Generation and Distribution:...  

Office of Scientific and Technical Information (OSTI)

Methods for Power Distribution Systems: Final Report Tom McDermott (2010) 34 Industrial Power Factor Analysis Guidebook. Electrotek Concepts. (1995) 29 Recovery of Water from...

39

Wind Power Forecasting Error Distributions over Multiple Timescales (Presentation)  

SciTech Connect (OSTI)

This presentation presents some statistical analysis of wind power forecast errors and error distributions, with examples using ERCOT data.

Hodge, B. M.; Milligan, M.

2011-07-01T23:59:59.000Z

40

Distributed Power Electronics for PV Systems (Presentation)  

SciTech Connect (OSTI)

An overview of the benefits and applications of microinverters and DC power optimizers in residential systems. Some conclusions from this report are: (1) The impact of shade is greater than just the area of shade; (2) Additional mismatch losses include panel orientation, panel distribution, inverter voltage window, soiling; (3) Per-module devices can help increase performance, 4-12% or more depending on the system; (4) Value-added benefits (safety, monitoring, reduced design constraints) are helping their adoption; and (5) The residential market is growing rapidly. Efficiency increases, cost reductions are improving market acceptance. Panel integration will further reduce price and installation cost. Reliability remains an unknown.

Deline, C.

2011-12-01T23:59:59.000Z

Note: This page contains sample records for the topic "intelligent distributed power" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


41

Distribution Power Flow in IRW Group Meeting  

E-Print Network [OSTI]

in and power out (sum of 3 phases) Power losses Power in & out A, Current in & out A, Power loss A Power in & out B, Current in & out B, Power loss B Power in & out C, Current in & out C, Power loss C Status

Tesfatsion, Leigh

42

Beamforming in Intelligent Randomly Distributed Sensor Networks using Electrically-Small Dual-Sector Antennas for Planetary Exploration  

E-Print Network [OSTI]

Beamforming in Intelligent Randomly Distributed Sensor Networks using Electrically-Small Dual-Sector, an electrically small dual-sector antenna is developed which gives 100 MHz of 2:1 VSWR bandwidth from 2.61 GHz - 2 The antenna developed for each sensor is based on the electrically small inductively-loaded stacked sector

Singer, Andrew C

43

Optimal Power Schedule for Distributed MIMO Links  

E-Print Network [OSTI]

an integration of link scheduling and power control for MIMOmedium access control, space-time power scheduling. Fig. 1.

Rong, Yue; Hua, Yingbo

2008-01-01T23:59:59.000Z

44

Distributed Robust Power System State Estimation  

E-Print Network [OSTI]

Deregulation of energy markets, penetration of renewables, advanced metering capabilities, and the urge for situational awareness, all call for system-wide power system state estimation (PSSE). Implementing a centralized estimator though is practically infeasible due to the complexity scale of an interconnection, the communication bottleneck in real-time monitoring, regional disclosure policies, and reliability issues. In this context, distributed PSSE methods are treated here under a unified and systematic framework. A novel algorithm is developed based on the alternating direction method of multipliers. It leverages existing PSSE solvers, respects privacy policies, exhibits low communication load, and its convergence to the centralized estimates is guaranteed even in the absence of local observability. Beyond the conventional least-squares based PSSE, the decentralized framework accommodates a robust state estimator. By exploiting interesting links to the compressive sampling advances, the latter jointly es...

Kekatos, Vassilis

2012-01-01T23:59:59.000Z

45

System level design of power distribution network for mobile computing platforms  

E-Print Network [OSTI]

Regulator based Power Distribution Design under WorstRegulator based Power Distribution Design under WorstRegulator based Power Distribution Design under Worst

Shayan Arani, Amirali

2011-01-01T23:59:59.000Z

46

Analysis of microelectronic power distribution networks and exploration of 3D ICs  

E-Print Network [OSTI]

Regulator Based Power Distribution Design Under WorstTanmoy Roy. Power Distribution System Design Methodology andChen, 3D Power Distribution Network Co-design for Nanoscale

Hu, Xiang

2012-01-01T23:59:59.000Z

47

Published in AAAI Spring Symposium on Intelligent Embedded and Distributed Systems, March 2002. 1 Distributed Adaptive Constrained Optimization for Smart Matter Systems  

E-Print Network [OSTI]

Published in AAAI Spring Symposium on Intelligent Embedded and Distributed Systems, March 2002. 1 across the network, and solvers are controlled by an adaptive feedback mechanism that guar- antees timely) or damage identification (Wang & Chang 2000). Such systems will require control, sensing and diagnostic

Shang, Yi

48

Low-cost distributed solar-thermal-electric power generation  

E-Print Network [OSTI]

Low-cost distributed solar-thermal-electric power generation A. Der Minassians, K. H. Aschenbach discuss the technical and economic feasibility of a low-cost distributed solar-thermal-electric power technologies should be judged by output power per dollar rather than by efficiency or other technical merits

Sanders, Seth

49

Voltage Control of Distribution Networks with Distributed Generation using Reactive Power  

E-Print Network [OSTI]

Voltage Control of Distribution Networks with Distributed Generation using Reactive Power to control voltage of distribution networks with DG using reactive power compensation approach. In this paper profile within the specified limits, it is essential to regulate the reactive power of the compensators

Pota, Himanshu Roy

50

Fuel Cycle Comparison for Distributed Power Technologies  

Fuel Cell Technologies Publication and Product Library (EERE)

This report examines backup power and prime power systems and addresses the potential energy and environmental effects of substituting fuel cells for existing combustion technologies based on microtur

51

Applications of an electronic transformer in a power distribution system  

E-Print Network [OSTI]

In electrical power distribution and power electronic applications, a transformer is an indispensable component which performs many functions. At its operating frequency (60/50 Hz), it is one of the most bulky and expensive components. The concept...

Ratanapanachote, Somnida

2005-11-01T23:59:59.000Z

52

Surface wind speed distributions| Implications for climate and wind power.  

E-Print Network [OSTI]

?? Surface constituent and energy fluxes, and wind power depend non-linearly on wind speed and are sensitive to the tails of the wind distribution. Until (more)

Capps, Scott Blair

2010-01-01T23:59:59.000Z

53

ITP Industrial Distributed Energy: Combined Heat and Power: Effective...  

Broader source: Energy.gov (indexed) [DOE]

Energy Solutions for a Sustainable Future ITP Industrial Distributed Energy: Combined Heat and Power: Effective Energy Solutions for a Sustainable Future Report describing the...

54

Distributed Generation and Virtual Power Plants: Barriers and Solutions.  

E-Print Network [OSTI]

??The present technological and regulatory power system needs to adapt to the increase in the share of distributed generation. This research focuses on the applicability (more)

Olejniczak, T.

2011-01-01T23:59:59.000Z

55

An integrated optimal design method for utility power distribution systems.  

E-Print Network [OSTI]

??This dissertation presents a comprehensive and integrated design methodology to optimize both the electrical and the economic performance of a utility power distribution system. The (more)

Fehr, Ralph E

2005-01-01T23:59:59.000Z

56

Two samples test for discrete power-law distributions  

E-Print Network [OSTI]

Power-law distributions occur in wide variety of physical, biological, and social phenomena. In this paper, we propose a statistical hypothesis test based on the log-likelihood ratio to assess whether two samples of discrete data are drawn from the same power-law distribution.

Bessi, Alessandro

2015-01-01T23:59:59.000Z

57

Local Control of Reactive Power by Distributed Photovoltaic Generators  

E-Print Network [OSTI]

High penetration levels of distributed photovoltaic (PV) generation on an electrical distribution circuit may severely degrade power quality due to voltage sags and swells caused by rapidly varying PV generation during cloud transients coupled with the slow response of existing utility compensation and regulation equipment. Although not permitted under current standards for interconnection of distributed generation, fast-reacting, VAR-capable PV inverters may provide the necessary reactive power injection or consumption to maintain voltage regulation under difficult transient conditions. As side benefit, the control of reactive power injection at each PV inverter provides an opportunity and a new tool for distribution utilities to optimize the performance of distribution circuits, e.g. by minimizing thermal losses. We suggest a local control scheme that dispatches reactive power from each PV inverter based on local instantaneous measurements of the real and reactive components of the consumed power and the re...

Turitsyn, Konstantin S; Backhaus, Scott; Chertkov, Misha

2010-01-01T23:59:59.000Z

58

Options for Control of Reactive Power by Distributed Photovoltaic Generators  

E-Print Network [OSTI]

High penetration levels of distributed photovoltaic(PV) generation on an electrical distribution circuit present several challenges and opportunities for distribution utilities. Rapidly varying irradiance conditions may cause voltage sags and swells that cannot be compensated by slowly responding utility equipment resulting in a degradation of power quality. Although not permitted under current standards for interconnection of distributed generation, fast-reacting, VAR-capable PV inverters may provide the necessary reactive power injection or consumption to maintain voltage regulation under difficult transient conditions. As side benefit, the control of reactive power injection at each PV inverter provides an opportunity and a new tool for distribution utilities to optimize the performance of distribution circuits, e.g. by minimizing thermal losses. We discuss and compare via simulation various design options for control systems to manage the reactive power generated by these inverters. An important design de...

Sulc, Petr; Backhaus, Scott; Chertkov, Michael

2010-01-01T23:59:59.000Z

59

Installation of the first Distributed Energy Storage System (DESS) at American Electric Power (AEP).  

SciTech Connect (OSTI)

AEP studied the direct and indirect benefits, strengths, and weaknesses of distributed energy storage systems (DESS) and chose to transform its entire utility grid into a system that achieves optimal integration of both central and distributed energy assets. To that end, AEP installed the first NAS battery-based, energy storage system in North America. After one year of operation and testing, AEP has concluded that, although the initial costs of DESS are greater than conventional power solutions, the net benefits justify the AEP decision to create a grid of DESS with intelligent monitoring, communications, and control, in order to enable the utility grid of the future. This report details the site selection, construction, benefits and lessons learned of the first installation, at Chemical Station in North Charleston, WV.

Nourai, Ali (American Electric Power Company, Columbus, OH)

2007-06-01T23:59:59.000Z

60

Inverter power module with distributed support for direct substrate cooling  

DOE Patents [OSTI]

Systems and/or methods are provided for an inverter power module with distributed support for direct substrate cooling. An inverter module comprises a power electronic substrate. A first support frame is adapted to house the power electronic substrate and has a first region adapted to allow direct cooling of the power electronic substrate. A gasket is interposed between the power electronic substrate and the first support frame. The gasket is configured to provide a seal between the first region and the power electronic substrate. A second support frame is adapted to house the power electronic substrate and joined to the first support frame to form the seal.

Miller, David Harold (San Pedro, CA); Korich, Mark D. (Chino Hills, CA); Ward, Terence G. (Redondo Beach, CA); Mann, Brooks S. (Redondo Beach, CA)

2012-08-21T23:59:59.000Z

Note: This page contains sample records for the topic "intelligent distributed power" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


61

LIMITED POWER BURSTS IN DISTRIBUTED MODELS OF NUCLEAR REACTORS  

E-Print Network [OSTI]

LIMITED POWER BURSTS IN DISTRIBUTED MODELS OF NUCLEAR REACTORS M. V. Bazhenov and E. F. Sabaev UDC employed for analyzing reactor dynamics. Equations of this type are used for analyzing the stability of the reactor power, etc. Among these problems the question of the boundedness of reactor power bursts

Bazhenov, Maxim

62

SELFMONITORING DISTRIBUTED MONITORING SYSTEM FOR NUCLEAR POWER PLANTS (PRELIMINARY VERSION)  

E-Print Network [OSTI]

SELFMONITORING DISTRIBUTED MONITORING SYSTEM FOR NUCLEAR POWER PLANTS (PRELIMINARY VERSION) Aldo and identification are extremely important activities for the safety of a nuclear power plant. In particular inside huge and complex production plants. 1 INTRODUCTION Safety in nuclear power plants requires

63

Local control of reactive power by distributed photovoltaic generators  

SciTech Connect (OSTI)

High penetration levels of distributed photovoltaic (PV) generation on an electrical distribution circuit may severely degrade power quality due to voltage sags and swells caused by rapidly varying PV generation during cloud transients coupled with the slow response of existing utility compensation and regulation equipment. Although not permitted under current standards for interconnection of distributed generation, fast-reacting, VAR-capable PV inverters may provide the necessary reactive power injection or consumption to maintain voltage regulation under difficult transient conditions. As side benefit, the control of reactive power injection at each PV inverter provides an opportunity and a new tool for distribution utilities to optimize the performance of distribution circuits, e.g. by minimizing thermal losses. We suggest a local control scheme that dispatches reactive power from each PV inverter based on local instantaneous measurements of the real and reactive components of the consumed power and the real power generated by the PVs. Using one adjustable parameter per circuit, we balance the requirements on power quality and desire to minimize thermal losses. Numerical analysis of two exemplary systems, with comparable total PV generation albeit a different spatial distribution, show how to adjust the optimization parameter depending on the goal. Overall, this local scheme shows excellent performance; it's capable of guaranteeing acceptable power quality and achieving significant saving in thermal losses in various situations even when the renewable generation in excess of the circuit own load, i.e. feeding power back to the higher-level system.

Chertkov, Michael [Los Alamos National Laboratory; Turitsyn, Konstantin [Los Alamos National Laboratory; Sulc, Petr [Los Alamos National Laboratory; Backhaus, Scott [Los Alamos National Laboratory

2010-01-01T23:59:59.000Z

64

Hyperglue : an infrastructure for human-centered computing in distributed, pervasive, intelligent environments  

E-Print Network [OSTI]

As intelligent environments (IEs) move from simple kiosks and meeting rooms into the everyday offices, kitchens, and living spaces we use, the need for these spaces to communicate not only with users, but also with each ...

Peters, Stephen Leslie

2006-01-01T23:59:59.000Z

65

Fault Current Issues for Market Driven Power Systems with Distributed Generation  

E-Print Network [OSTI]

1 Fault Current Issues for Market Driven Power Systems with Distributed Generation Natthaphob of installing distributed generation (DG) to electric power systems. The proliferation of new generators creates Terms--Distributed / dispersed generation, power distri- bution, power system protection, fault

66

Distributed Power Network Co-Design with On-Chip Power Supplies and Decoupling Capacitors  

E-Print Network [OSTI]

Distributed Power Network Co-Design with On-Chip Power Supplies and Decoupling Capacitors Selc¸uk K, New York 14627 {kose,friedman}@ece.rochester.edu Abstract-- With each technology generation, the power computationally complex. The rising number of on-chip power supplies and intentional decoupling capacitors

Friedman, Eby G.

67

Power-aware applications for scientific cluster and distributed computing  

E-Print Network [OSTI]

The aggregate power use of computing hardware is an important cost factor in scientific cluster and distributed computing systems. The Worldwide LHC Computing Grid (WLCG) is a major example of such a distributed computing system, used primarily for high throughput computing (HTC) applications. It has a computing capacity and power consumption rivaling that of the largest supercomputers. The computing capacity required from this system is also expected to grow over the next decade. Optimizing the power utilization and cost of such systems is thus of great interest. A number of trends currently underway will provide new opportunities for power-aware optimizations. We discuss how power-aware software applications and scheduling might be used to reduce power consumption, both as autonomous entities and as part of a (globally) distributed system. As concrete examples of computing centers we provide information on the large HEP-focused Tier-1 at FNAL, and the Tigress High Performance Computing Center at Princeton U...

Abdurachmanov, David; Eulisse, Giulio; Grosso, Paola; Hillegas, Curtis; Holzman, Burt; Klous, Sander; Knight, Robert; Muzaffar, Shahzad

2014-01-01T23:59:59.000Z

68

Modeling the Effect of Hurricanes on Power Distribution Systems  

E-Print Network [OSTI]

There are many calamitous events such as earthquakes, hurricanes, tsunamis etc. that occur suddenly and cause great loss of life, damage, or hardship. Hurricanes cause significant damage to power distribution systems, resulting in prolonged customer...

Chanda, Suraj

2012-10-19T23:59:59.000Z

69

Electrical power distribution control methods, electrical energy demand monitoring methods, and power management devices  

DOE Patents [OSTI]

Electrical power distribution control methods, electrical energy demand monitoring methods, and power management devices are described. In one aspect, an electrical power distribution control method includes providing electrical energy from an electrical power distribution system, applying the electrical energy to a load, providing a plurality of different values for a threshold at a plurality of moments in time and corresponding to an electrical characteristic of the electrical energy, and adjusting an amount of the electrical energy applied to the load responsive to an electrical characteristic of the electrical energy triggering one of the values of the threshold at the respective moment in time.

Chassin, David P. (Pasco, WA); Donnelly, Matthew K. (Kennewick, WA); Dagle, Jeffery E. (Richland, WA)

2011-12-06T23:59:59.000Z

70

Electrical power distribution control methods, electrical energy demand monitoring methods, and power management devices  

DOE Patents [OSTI]

Electrical power distribution control methods, electrical energy demand monitoring methods, and power management devices are described. In one aspect, an electrical power distribution control method includes providing electrical energy from an electrical power distribution system, applying the electrical energy to a load, providing a plurality of different values for a threshold at a plurality of moments in time and corresponding to an electrical characteristic of the electrical energy, and adjusting an amount of the electrical energy applied to the load responsive to an electrical characteristic of the electrical energy triggering one of the values of the threshold at the respective moment in time.

Chassin, David P. (Pasco, WA); Donnelly, Matthew K. (Kennewick, WA); Dagle, Jeffery E. (Richland, WA)

2006-12-12T23:59:59.000Z

71

Distribution: Sonya Baskerville, Bonneville Power Administration, Liaison  

Energy Savers [EERE]

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Office of Inspector General Office of Audit Services AuditTransatlanticDirect-CooledDistribution: Sonya Baskerville,

72

Loss Reduction of Power Distribution Network Using Optimum Size and Location of Distributed  

E-Print Network [OSTI]

Generation Adnan Anwar, Student Member, IEEE, and H. R. Pota, Member, IEEE Abstract--Distributed generation be reduced significantly. Index Terms--Distributed generation, Optimum size, Optimum location, Power loss directly to utility distribution system. The insulation level of the machines may not synchronize

Pota, Himanshu Roy

73

Calculated CIM Power Distributions for Coil Design  

SciTech Connect (OSTI)

Excessive bed expansion and material expulsion have occurred during experiments with the 3-inch diameter Cylindrical Induction Melter (CIM). Both events were attributed in part to the high power density in the bottom of the melter and the correspondingly high temperatures there. It is believed that the high temperatures resulted in the generation of gasses at the bottom of the bed which could not escape. The gasses released during heating and the response of the bed to gas evolution depend upon the composition of the bed.

Hardy, B.J.

1999-02-17T23:59:59.000Z

74

Options for Control of Reactive Power by Distributed Photovoltaic Generators  

E-Print Network [OSTI]

High penetration levels of distributed photovoltaic(PV) generation on an electrical distribution circuit present several challenges and opportunities for distribution utilities. Rapidly varying irradiance conditions may cause voltage sags and swells that cannot be compensated by slowly responding utility equipment resulting in a degradation of power quality. Although not permitted under current standards for interconnection of distributed generation, fast-reacting, VAR-capable PV inverters may provide the necessary reactive power injection or consumption to maintain voltage regulation under difficult transient conditions. As side benefit, the control of reactive power injection at each PV inverter provides an opportunity and a new tool for distribution utilities to optimize the performance of distribution circuits, e.g. by minimizing thermal losses. We discuss and compare via simulation various design options for control systems to manage the reactive power generated by these inverters. An important design decision that weighs on the speed and quality of communication required is whether the control should be centralized or distributed (i.e. local). In general, we find that local control schemes are capable for maintaining voltage within acceptable bounds. We consider the benefits of choosing different local variables on which to control and how the control system can be continuously tuned between robust voltage control, suitable for daytime operation when circuit conditions can change rapidly, and loss minimization better suited for nighttime operation.

Petr Sulc; Konstantin Turitsyn; Scott Backhaus; Michael Chertkov

2010-08-04T23:59:59.000Z

75

Probabilistic Vulnerability Assessment Based on Power Flow and Voltage Distribution  

SciTech Connect (OSTI)

Risk assessment of large scale power systems has been an important problem in power system reliability study. Probabilistic technique provides a powerful tool to solve the task. In this paper, we present the results of a study on probabilistic vulnerability assessment on WECC system. Cumulant based expansion method is applied to obtain the probabilistic distribution function (PDF) and cumulative distribution function (CDF) of power flows on transmission lines and voltage. Overall risk index based on the system vulnerability analysis is calculated using the WECC system. The simulation results based on WECC system is used to demonstrate the effectiveness of the method. The methodology can be applied to the risk analysis on large scale power systems.

Ma, Jian; Huang, Zhenyu; Wong, Pak C.; Ferryman, Thomas A.

2010-04-30T23:59:59.000Z

76

Operational benefits of relaxed axial power distribution control limits  

SciTech Connect (OSTI)

Constant axial offset control (CAOC) was developed in the early 1970s in response to lower loss-of-coolant accident-based peaking factor limits. Th CAOC requires control of the axial power distribution within a specified band, typically +/- 5% or +3, -12% axial flux difference (AFD), about a measured target value of AFD. Operational outside of the CAOC limits results in the accumulation of penalty time. One hour of penalty time in any 24-h period is permitted. Although CAOC is sufficient to ensure peaking factor limits are satisfied, operation outside of CAOC limits is beneficial under certain conditions. Allowing a relaxation in CAOC restrictions can be used both to enhance the load follow capability of the plant by allowing control strategies that minimize the boron system duty or increase the return to power capability and to greatly increase the ability to return to power after a plant trip or shutdown. To achieve these benefits, relaxed axial offset control (RAOC) was developed. Other benefits of RAOC include a simplified technical specification and the ability to perform in-core/ex-core calibrations at higher powers. Duke Power Company has benefited in many of these ways by changing from CAOC power distribution limits to RAOC power distribution limits at the McGuire Nuclear Station. One of the chief benefits has been the ability to achieve full power much more quickly following shutdowns of short duration and reactor trips during the last half of the cycle lifetime.

Kitlan, M.S. Jr.; Miller, R.W.

1987-01-01T23:59:59.000Z

77

A Better Steam Engine: Designing a Distributed Concentrating Solar Combined Heat and Power System  

E-Print Network [OSTI]

Concentrating Solar Combined Heat and Power Systemfor Distributed Concentrating Solar Combined Heat and Powerof solar combined heat and power systems . . . . . . .

Norwood, Zachary Mills

2011-01-01T23:59:59.000Z

78

System level design of power distribution network for mobile computing platforms.  

E-Print Network [OSTI]

??Providing a reliable power distribution network (PDN) is a critical design challenge for mobile system on chip platforms. A well-designed power distribution network should be (more)

Shayan Arani, Amirali

2011-01-01T23:59:59.000Z

79

Comparison of Wind Power and Load Forecasting Error Distributions: Preprint  

SciTech Connect (OSTI)

The introduction of large amounts of variable and uncertain power sources, such as wind power, into the electricity grid presents a number of challenges for system operations. One issue involves the uncertainty associated with scheduling power that wind will supply in future timeframes. However, this is not an entirely new challenge; load is also variable and uncertain, and is strongly influenced by weather patterns. In this work we make a comparison between the day-ahead forecasting errors encountered in wind power forecasting and load forecasting. The study examines the distribution of errors from operational forecasting systems in two different Independent System Operator (ISO) regions for both wind power and load forecasts at the day-ahead timeframe. The day-ahead timescale is critical in power system operations because it serves the unit commitment function for slow-starting conventional generators.

Hodge, B. M.; Florita, A.; Orwig, K.; Lew, D.; Milligan, M.

2012-07-01T23:59:59.000Z

80

Distributed control for optimal reactive power compensation in smart microgrids  

E-Print Network [OSTI]

We consider the problem of optimal reactive power compensation for the minimization of power distribution losses in a smart microgrid. We first propose an approximate model for the power distribution network, which allows us to cast the problem into the class of convex quadratic, linearly constrained, optimization problems. We also show how this model provides the tools for a distributed approach, in which agents have a partial knowledge of the problem parameters and state, and can only perform local measurements. Then, we design a randomized, gossip-like optimization algorithm, providing conditions for convergence together with an analytic characterization of the convergence speed. The analysis shows that the best performance can be achieved when we command cooperation among agents that are neighbors in the smart microgrid topology. Numerical simulations are included to validate the proposed model and to confirm the analytic results about the performance of the proposed algorithm.

Bolognani, Saverio

2011-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "intelligent distributed power" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


81

Power-aware applications for scientific cluster and distributed computing  

E-Print Network [OSTI]

The aggregate power use of computing hardware is an important cost factor in scientific cluster and distributed computing systems. The Worldwide LHC Computing Grid (WLCG) is a major example of such a distributed computing system, used primarily for high throughput computing (HTC) applications. It has a computing capacity and power consumption rivaling that of the largest supercomputers. The computing capacity required from this system is also expected to grow over the next decade. Optimizing the power utilization and cost of such systems is thus of great interest. A number of trends currently underway will provide new opportunities for power-aware optimizations. We discuss how power-aware software applications and scheduling might be used to reduce power consumption, both as autonomous entities and as part of a (globally) distributed system. As concrete examples of computing centers we provide information on the large HEP-focused Tier-1 at FNAL, and the Tigress High Performance Computing Center at Princeton University, which provides HPC resources in a university context.

David Abdurachmanov; Peter Elmer; Giulio Eulisse; Paola Grosso; Curtis Hillegas; Burt Holzman; Ruben L. Janssen; Sander Klous; Robert Knight; Shahzad Muzaffar

2014-10-22T23:59:59.000Z

82

Modeling and Verification of Distributed Generation and Voltage Regulation Equipment for Unbalanced Distribution Power Systems; Annual Subcontract Report, June 2007  

SciTech Connect (OSTI)

This report summarizes the development of models for distributed generation and distribution circuit voltage regulation equipment for unbalanced power systems and their verification through actual field measurements.

Davis, M. W.; Broadwater, R.; Hambrick, J.

2007-07-01T23:59:59.000Z

83

RTDS-Based Design and Simulation of Distributed P-Q Power Resources in Smart Grid  

E-Print Network [OSTI]

Smart Grid on distribution system design," in Proc. of thestorage system design for distribution network," in Proc. ofdesign can noticeably improve the operational performance of the power distribution

Taylor, Zachariah David

2014-01-01T23:59:59.000Z

84

Wind Power Forecasting Error Distributions: An International Comparison; Preprint  

SciTech Connect (OSTI)

Wind power forecasting is expected to be an important enabler for greater penetration of wind power into electricity systems. Because no wind forecasting system is perfect, a thorough understanding of the errors that do occur can be critical to system operation functions, such as the setting of operating reserve levels. This paper provides an international comparison of the distribution of wind power forecasting errors from operational systems, based on real forecast data. The paper concludes with an assessment of similarities and differences between the errors observed in different locations.

Hodge, B. M.; Lew, D.; Milligan, M.; Holttinen, H.; Sillanpaa, S.; Gomez-Lazaro, E.; Scharff, R.; Soder, L.; Larsen, X. G.; Giebel, G.; Flynn, D.; Dobschinski, J.

2012-09-01T23:59:59.000Z

85

Rooftop Solar Potential Distributed Solar Power in NW  

E-Print Network [OSTI]

1 Rooftop Solar Potential Distributed Solar Power in NW Massoud Jourabchi June 2013 1 Renewables;3 Regional Growth In Solar Energy Consumption Solar consumption both Thermal and PV h b t d i i lhas been on steady increase since early 1990s. From 2000-2010 Solar PV grow at annual rate of 13% and solar thermal

86

Rooftop Solar Potential Distributed Solar Power in NW  

E-Print Network [OSTI]

6/19/2013 1 Rooftop Solar Potential Distributed Solar Power in NW Massoud Jourabchi June 2013 1 in 2012 4 #12;6/19/2013 3 Regional Growth In Solar Energy Consumption Solar consumption both Thermal and PV h b t d i i lhas been on steady increase since early 1990s. From 2000-2010 Solar PV grow

87

Centralized and Distributed Generated Power Systems -A Comparison Approach  

E-Print Network [OSTI]

Energy System #12;Centralized and Distributed Generated Power Systems - A Comparison Approach Prepared for the Project "The Future Grid to Enable Sustainable Energy Systems" Funded by the U.S. Department of Energy Robert Saint National Rural Electric Cooperative Association PSERC Publication 12-08 June 2012 #12;For

88

High Resolution PV Power Modeling for Distribution Circuit Analysis  

SciTech Connect (OSTI)

NREL has contracted with Clean Power Research to provide 1-minute simulation datasets of PV systems located at three high penetration distribution feeders in the service territory of Southern California Edison (SCE): Porterville, Palmdale, and Fontana, California. The resulting PV simulations will be used to separately model the electrical circuits to determine the impacts of PV on circuit operations.

Norris, B. L.; Dise, J. H.

2013-09-01T23:59:59.000Z

89

Econophysical Dynamics of Market-Based Electric Power Distribution Systems  

E-Print Network [OSTI]

As energy markets begin clearing at sub-hourly rates, their interaction with load control systems becomes a potentially important consideration. A simple model for the control of thermal systems using market-based power distribution strategies is proposed, with particular attention to the behavior and dynamics of electric building loads and distribution-level power markets. Observations of dynamic behavior of simple numerical model are compared to that of an aggregate continuous model. The analytic solution of the continuous model suggests important deficiencies in each. The continuous model provides very valuable insights into how one might design such load control system and design the power markets they interact with. We also highlight important shortcomings of the continuous model which we believe must be addressed using discrete models.

Nicolas Ho; David P. Chassin

2006-02-09T23:59:59.000Z

90

Electron beam machining using rotating and shaped beam power distribution  

DOE Patents [OSTI]

An apparatus and method are disclosed for electron beam (EB) machining (drilling, cutting and welding) that uses conventional EB guns, power supplies, and welding machine technology without the need for fast bias pulsing technology. The invention involves a magnetic lensing (EB optics) system and electronic controls to: (1) concurrently bend, focus, shape, scan, and rotate the beam to protect the EB gun and to create a desired effective power-density distribution, and (2) rotate or scan this shaped beam in a controlled way. The shaped beam power-density distribution can be measured using a tomographic imaging system. For example, the EB apparatus of this invention has the ability to drill holes in metal having a diameter up to 1,000 {micro}m (1 mm or larger), compared to the 250 {micro}m diameter of laser drilling. 5 figs.

Elmer, J.W.; O`Brien, D.W.

1996-07-09T23:59:59.000Z

91

Electron beam machining using rotating and shaped beam power distribution  

DOE Patents [OSTI]

An apparatus and method for electron beam (EB) machining (drilling, cutting and welding) that uses conventional EB guns, power supplies, and welding machine technology without the need for fast bias pulsing technology. The invention involves a magnetic lensing (EB optics) system and electronic controls to: 1) concurrently bend, focus, shape, scan, and rotate the beam to protect the EB gun and to create a desired effective power-density distribution, and 2) rotate or scan this shaped beam in a controlled way. The shaped beam power-density distribution can be measured using a tomographic imaging system. For example, the EB apparatus of this invention has the ability to drill holes in metal having a diameter up to 1000 .mu.m (1 mm or larger), compared to the 250 .mu.m diameter of laser drilling.

Elmer, John W. (Pleasanton, CA); O'Brien, Dennis W. (Livermore, CA)

1996-01-01T23:59:59.000Z

92

E-Print Network 3.0 - ac power distribution Sample Search Results  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Ray Summary: Capacitor Bias - T Figure 4 - AC Distribution Using a Bias-T Advantages of Power Distribution Using Bias... . In the case of AC power distribution with bias-T...

93

Distributed Power Flow Control: Distributed Power Flow Control using Smart Wires for Energy Routing  

SciTech Connect (OSTI)

GENI Project: Smart Wire Grid is developing a solution for controlling power flow within the electric grid to better manage unused and overall transmission capacity. The 300,000 miles of high-voltage transmission line in the U.S. today are congested and inefficient, with only around 50% of all transmission capacity utilized at any given time. Increased consumer demand should be met in part with more efficient and an economical power flow. Smart Wire Grids devices clamp onto existing transmission lines and control the flow of power withinmuch like how internet routers help allocate bandwidth throughout the web. Smart wires could support greater use of renewable energy by providing more consistent control over how that energy is routed within the grid on a real-time basis. This would lessen the concerns surrounding the grids inability to effectively store intermittent energy from renewables for later use.

None

2012-04-24T23:59:59.000Z

94

PAPER ACCEPTED TO IEEE TRANSACTIONS ON POWER SYSTEMS, Nov. 2008 1 Reactive Power and Voltage Control in Distribution  

E-Print Network [OSTI]

PAPER ACCEPTED TO IEEE TRANSACTIONS ON POWER SYSTEMS, Nov. 2008 1 Reactive Power and Voltage) problem associated with reactive power and voltage control in distribution systems to minimize daily--Distribution systems, reactive power control, voltage control, optimal switching operations, mixed integer nonlinear

Cañizares, Claudio A.

95

Integration of renewable energy sources: reliability-constrained power system planning and operations using computational intelligence  

E-Print Network [OSTI]

of cost, power dispatchability, and environmental impact. For instance, the intermittency of some renewable energy sources may compromise the system reliability when they are integrated into the traditional power grids. Thus, multiple issues should...

Wang, Lingfeng

2009-05-15T23:59:59.000Z

96

Distributed control of reactive power flow in a radial distribution circuit with high photovoltaic penetration  

SciTech Connect (OSTI)

We show how distributed control of reactive power can serve to regulate voltage and minimize resistive losses in a distribution circuit that includes a significant level of photovoltaic (PV) generation. To demonstrate the technique, we consider a radial distribution circuit with a single branch consisting of sequentially-arranged residential-scale loads that consume both real and reactive power. In parallel, some loads also have PV generation capability. We postulate that the inverters associated with each PV system are also capable of limited reactive power generation or consumption, and we seek to find the optimal dispatch of each inverter's reactive power to both maintain the voltage within an acceptable range and minimize the resistive losses over the entire circuit. We assume the complex impedance of the distribution circuit links and the instantaneous load and PV generation at each load are known. We compare the results of the optimal dispatch with a suboptimal local scheme that does not require any communication. On our model distribution circuit, we illustrate the feasibility of high levels of PV penetration and a significant (20% or higher) reduction in losses.

Chertkov, Michael [Los Alamos National Laboratory; Turitsyn, Konstantin [Los Alamos National Laboratory; Backhaus, Scott [Los Alamos National Laboratory; Sule, Petr [NEW MEXICO CONSORTIUM

2009-01-01T23:59:59.000Z

97

A Better Steam Engine: Designing a Distributed Concentrating Solar Combined Heat and Power System  

E-Print Network [OSTI]

Concentrating Solar Combined Heat and Power Systemfor Distributed Concentrating Solar Combined Heat and Powerin parabolic trough solar power technology. Journal of Solar

Norwood, Zachary Mills

2011-01-01T23:59:59.000Z

98

iPower: An Energy Conservation System for Intelligent Buildings by Wireless Sensor Networks  

E-Print Network [OSTI]

of energy consumption is spent on HVAC systems, which include heating, ventilating, air conditioning by HVAC systems is due to improper use of electric appliances. Therefore, how to exploit the context the electric appliances in the room through some power-line control devices. In this way, the iPower system can

Tseng, Yu-Chee

99

Abstract--The reliability and quality of power distribution systems are usually affected by many different distribution faults.  

E-Print Network [OSTI]

1 Abstract--The reliability and quality of power distribution systems are usually affected by many and to provide a more effective fault restoration system. Index Terms-- power distribution systems, statistical analysis, tree-caused distribution faults. I. INTRODUCTION OWER systems play a very important role in our

Chow, Mo-Yuen

100

A planning scheme for penetrating embedded generation in power distribution grids  

E-Print Network [OSTI]

Penetrating Embedded Generation, or Distributed Generation (DG), in power distribution grids presents great benefits and substantial positive social impacts to utilities, system operators and electricity consumers. Existing ...

Wang, Jiankang, Ph. D. Massachusetts Institute of Technology

2013-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "intelligent distributed power" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


101

Time series power flow analysis for distribution connected PV generation.  

SciTech Connect (OSTI)

Distributed photovoltaic (PV) projects must go through an interconnection study process before connecting to the distribution grid. These studies are intended to identify the likely impacts and mitigation alternatives. In the majority of the cases, system impacts can be ruled out or mitigation can be identified without an involved study, through a screening process or a simple supplemental review study. For some proposed projects, expensive and time-consuming interconnection studies are required. The challenges to performing the studies are twofold. First, every study scenario is potentially unique, as the studies are often highly specific to the amount of PV generation capacity that varies greatly from feeder to feeder and is often unevenly distributed along the same feeder. This can cause location-specific impacts and mitigations. The second challenge is the inherent variability in PV power output which can interact with feeder operation in complex ways, by affecting the operation of voltage regulation and protection devices. The typical simulation tools and methods in use today for distribution system planning are often not adequate to accurately assess these potential impacts. This report demonstrates how quasi-static time series (QSTS) simulation and high time-resolution data can be used to assess the potential impacts in a more comprehensive manner. The QSTS simulations are applied to a set of sample feeders with high PV deployment to illustrate the usefulness of the approach. The report describes methods that can help determine how PV affects distribution system operations. The simulation results are focused on enhancing the understanding of the underlying technical issues. The examples also highlight the steps needed to perform QSTS simulation and describe the data needed to drive the simulations. The goal of this report is to make the methodology of time series power flow analysis readily accessible to utilities and others responsible for evaluating potential PV impacts.

Broderick, Robert Joseph; Quiroz, Jimmy Edward; Ellis, Abraham; Reno, Matthew J. [Georgia Institute of Technology, Atlanta, GA; Smith, Jeff [Electric Power Research Institute, Knoxville, TN; Dugan, Roger [Electric Power Research Institute, Knoxville, TN

2013-01-01T23:59:59.000Z

102

Predicting the Power Output of Distributed Renewable Energy Resources within a Broad Geographical Region  

E-Print Network [OSTI]

Predicting the Power Output of Distributed Renewable Energy Resources within a Broad Geographical potentially dis- tributed renewable energy resources (su years, estimating the power output of in- herently intermittent and potentially distributed renewable

Chalkiadakis, Georgios

103

Tomographic determination of the power distribution in electron beams  

DOE Patents [OSTI]

A tomographic technique for determining the power distribution of an electron beam using electron beam profile data acquired from a modified Faraday cup to create an image of the current density in high and low power beams is disclosed. A refractory metal disk with a number of radially extending slits is placed above a Faraday cup. The beam is swept in a circular pattern so that its path crosses each slit in a perpendicular manner, thus acquiring all the data needed for a reconstruction in one circular sweep. Also, a single computer is used to generate the signals actuating the sweep, to acquire that data, and to do the reconstruction, thus reducing the time and equipment necessary to complete the process. 4 figs.

Teruya, A.T.; Elmer, J.W.

1996-12-10T23:59:59.000Z

104

Solid Oxide Fuel Cell Hybrid System for Distributed Power Generation  

SciTech Connect (OSTI)

This report summarizes the work performed by Hybrid Power Generation Systems, LLC (HPGS) during the July 2003 to December 2003 reporting period under Cooperative Agreement DE-FC26-01NT40779 for the U. S. Department of Energy, National Energy Technology Laboratory (DOE/NETL) entitled ''Solid Oxide Fuel Cell Hybrid System for Distributed Power Generation''. The main objective of this project is to develop and demonstrate the feasibility of a highly efficient hybrid system integrating a planar Solid Oxide Fuel Cell (SOFC) and a micro-turbine. In addition, an activity included in this program focuses on the development of an integrated coal gasification fuel cell system concept based on planar SOFC technology. Also, another activity included in this program focuses on the development of SOFC scale up strategies.

Faress Rahman; Nguyen Minh

2004-01-04T23:59:59.000Z

105

Tomographic determination of the power distribution in electron beams  

DOE Patents [OSTI]

A tomographic technique for determining the power distribution of an electron beam using electron beam profile data acquired from a modified Faraday cup to create an image of the current density in high and low power beams. A refractory metal disk with a number of radially extending slits is placed above a Faraday cup. The beam is swept in a circular pattern so that its path crosses each slit in a perpendicular manner, thus acquiring all the data needed for a reconstruction in one circular sweep. Also, a single computer is used to generate the signals actuating the sweep, to acquire that data, and to do the reconstruction, thus reducing the time and equipment necessary to complete the process.

Teruya, Alan T. (Livermore, CA); Elmer, John W. (Pleasanton, CA)

1996-01-01T23:59:59.000Z

106

Hybrid Control Network Intrusion Detection Systems for Automated Power Distribution Systems  

E-Print Network [OSTI]

Security protocols against cyber attacks in the distributioncyber security weak- ness and system fragility of power distribution

Parvania, Masood; Koutsandria, Georgia; Muthukumar, Vishak; Peisert, Sean; McParland, Chuck; Scaglione, Anna

2014-01-01T23:59:59.000Z

107

Price Discovery in Dynamic Power Markets with Low-Voltage Distribution-Network Participants  

E-Print Network [OSTI]

but not least distribution network rent. Keywords-distribution network locational marginal prices; power flow application to Electric Power [2, 3] dynamic Locational-Marginal-Price (LMP) based Wholesale Power Markets load-side market participation and the use of Distribution network Locational Marginal Prices (DLMP

Caramanis, Michael

108

Unifying power-law behaviour, functionality and defect distribution in general software  

E-Print Network [OSTI]

Unifying power-law behaviour, functionality and defect distribution in general software systems Les between power-law distribution of component sizes and defect growth in maturing software systems. It was further noted that power-law distributions appear to be present in software systems from the beginning

Hatton, Les

109

Study of the longitudinal distribution of power generated in a random distributed feedback Raman fibre laser with unidirectional pumping  

SciTech Connect (OSTI)

The longitudinal distribution of the Stokes-component power in a Raman fibre laser with a random distributed feedback and unidirectional pumping is measured. The fibre parameters (linear loss and Rayleigh backscattering coefficient) are calculated based on the distributions obtained. A numerical model is developed to describe the lasing power distribution. The simulation results are in good agreement with the experimental data. (optical fibres, lasers and amplifiers. properties and applications)

Churkin, D V; El-Taher, A E; Vatnik, I D; Babin, Sergei A

2012-09-30T23:59:59.000Z

110

Price Discovery in Dynamic Power Markets with Low-Voltage Distribution-Network Participants  

E-Print Network [OSTI]

-distribution network locational marginal prices; power flow; reactive power compensation; voltage control; distributed application to Electric Power [2, 3] dynamic Locational-Marginal-Price (LMP) based Wholesale Power Markets to clear markets and discover dynamic Locational Marginal Prices (LMPs) that promoted more efficient

Caramanis, Michael

111

Impact of Increasing Distributed Wind Power and Wind Turbine Siting on Rural Distribution Feeder Voltage Profiles: Preprint  

SciTech Connect (OSTI)

Many favorable wind energy resources in North America are located in remote locations without direct access to the transmission grid. Building transmission lines to connect remotely-located wind power plants to large load centers has become a barrier to increasing wind power penetration in North America. By connecting utility-sized megawatt-scale wind turbines to the distribution system, wind power supplied to consumers could be increased greatly. However, the impact of including megawatt-scale wind turbines on distribution feeders needs to be studied. The work presented here examined the impact that siting and power output of megawatt-scale wind turbines have on distribution feeder voltage. This is the start of work to present a general guide to megawatt-scale wind turbine impact on the distribution feeder and finding the amount of wind power that can be added without adversely impacting the distribution feeder operation, reliability, and power quality.

Allen, A.; Zhang, Y. C.; Hodge, B. M.

2013-09-01T23:59:59.000Z

112

Fuel cycle comparison of distributed power generation technologies.  

SciTech Connect (OSTI)

The fuel-cycle energy use and greenhouse gas (GHG) emissions associated with the application of fuel cells to distributed power generation were evaluated and compared with the combustion technologies of microturbines and internal combustion engines, as well as the various technologies associated with grid-electricity generation in the United States and California. The results were primarily impacted by the net electrical efficiency of the power generation technologies and the type of employed fuels. The energy use and GHG emissions associated with the electric power generation represented the majority of the total energy use of the fuel cycle and emissions for all generation pathways. Fuel cell technologies exhibited lower GHG emissions than those associated with the U.S. grid electricity and other combustion technologies. The higher-efficiency fuel cells, such as the solid oxide fuel cell (SOFC) and molten carbonate fuel cell (MCFC), exhibited lower energy requirements than those for combustion generators. The dependence of all natural-gas-based technologies on petroleum oil was lower than that of internal combustion engines using petroleum fuels. Most fuel cell technologies approaching or exceeding the DOE target efficiency of 40% offered significant reduction in energy use and GHG emissions.

Elgowainy, A.; Wang, M. Q.; Energy Systems

2008-12-08T23:59:59.000Z

113

SOLID OXIDE FUEL CELL HYBRID SYSTEM FOR DISTRIBUTED POWER GENERATION  

SciTech Connect (OSTI)

This report summarizes the work performed by Honeywell during the October 2001 to December 2001 reporting period under Cooperative Agreement DE-FC26-01NT40779 for the U. S. Department of Energy, National Energy Technology Laboratory (DOE/NETL) entitled ''Solid Oxide Fuel Cell Hybrid System for Distributed Power Generation''. The main objective of this project is to develop and demonstrate the feasibility of a highly efficient hybrid system integrating a planar Solid Oxide Fuel Cell (SOFC) and a turbogenerator. The conceptual and demonstration system designs were proposed and analyzed, and these systems have been modeled in Aspen Plus. Work has also started on the assembly of dynamic component models and the development of the top-level controls requirements for the system. SOFC stacks have been fabricated and performance mapping initiated.

Kurt Montgomery; Nguyen Minh

2003-08-01T23:59:59.000Z

114

Fuel cell power plants in a distributed generator application  

SciTech Connect (OSTI)

ONSI`s (a subsidiary of International Fuel Cells Corporation) world wide fleet of 200-kW PC25{trademark} phosphoric acid fuel cell power plants which began operation early in 1992 has shown excellent performance and reliability in over 1 million hours of operation. This experience has verified the clean, quiet, reliable operation of the PC25 and confirmed its application as a distributed generator. Continuing product development efforts have resulted in a one third reduction of weight and volume as well as improved installation and operating characteristics for the PC25 C model. Delivery of this unit began in 1995. International Fuel Cells (IFC) continues its efforts to improve product design and manufacturing processes. This progress has been sustained at a compounded rate of 10 percent per year since the late 1980`s. These improvements will permit further reductions in the initial cost of the power plant and place increased emphasis on market development as the pacing item in achieving business benefits from the PC25 fuel cell. Derivative product opportunities are evolving with maturation of the technologies in a commercial environment. The recent announcement of Praxair, Inc., and IFC introducing a non-cryogenic hydrogen supply system utilizing IFC`s steam reformer is an example. 11 figs.

Smith, M.J. [International Fuel Cells Corp., South Windsor, CT (United States)

1996-12-31T23:59:59.000Z

115

A Better Steam Engine: Designing a Distributed Concentrating Solar Combined Heat and Power System  

E-Print Network [OSTI]

A Better Steam Engine: Designing a Distributed Concentrating Solar Combined Heat and Power System Combined Heat and Power System by Zachary Mills Norwood Doctor of Philosophy in the Energy and Resources of analysis of Distributed Concentrating Solar Combined Heat and Power (DCS-CHP) systems is a design

California at Berkeley, University of

116

Measurements of Film Flow Rate in Heated Tubes with Various Axial Power Distributions  

E-Print Network [OSTI]

Measurements of Film Flow Rate in Heated Tubes with Various Axial Power Distributions by Carl, Measurements of Film Flow Rate in Heated Tubes with Various Axial Power Distributions KTH Nuclear Reactor power is limited by a phenomenon called critical heat flux (CHF). It appears as a sudden detoriation

Haviland, David

117

PHYSICAL DESIGN TRADEOFFS IN POWER DISTRIBUTION NETWORKS FOR 3-D ICs  

E-Print Network [OSTI]

PHYSICAL DESIGN TRADEOFFS IN POWER DISTRIBUTION NETWORKS FOR 3-D ICs Ioannis Tsioutsios, Vasilis F the tradeoffs among the different interconnects resources in the design process of 3- D power distribution.tsioutsios, vasileios.pavlidis, giovanni.demicheli}@epfl.ch Abstract--A physical model for the design of the power

De Micheli, Giovanni

118

A Distributed Approach to Maximum Power Point Tracking for Photovoltaic Sub-Module Differential  

E-Print Network [OSTI]

of the proposed distributed algorithm. I. INTRODUCTION IN photovoltaic (PV) energy systems, PV modules are often of the system, small size and low power ratings of the power electronics circuit components. Due1 A Distributed Approach to Maximum Power Point Tracking for Photovoltaic Sub-Module Differential

Liberzon, Daniel

119

A Service Oriented Architecture for Exploring High Performance Distributed Power Models  

SciTech Connect (OSTI)

Power grids are increasingly incorporating high quality, high throughput sensor devices inside power distribution networks. These devices are driving an unprecedented increase in the volume and rate of available information. The real-time requirements for handling this data are beyond the capacity of conventional power models running in central utilities. Hence, we are exploring distributed power models deployed at the regional scale. The connection of these models for a larger geographic region is supported by a distributed system architecture. This architecture is built in a service oriented style, whereby distributed power models running on high performance clusters are exposed as services. Each service is semantically annotated and therefore can be discovered through a service catalog and composed into workflows. The overall architecture has been implemented as an integrated workflow environment useful for power researchers to explore newly developed distributed power models.

Liu, Yan; Chase, Jared M.; Gorton, Ian

2012-11-12T23:59:59.000Z

120

Wind Power Forecasting Error Distributions over Multiple Timescales: Preprint  

SciTech Connect (OSTI)

In this paper, we examine the shape of the persistence model error distribution for ten different wind plants in the ERCOT system over multiple timescales. Comparisons are made between the experimental distribution shape and that of the normal distribution.

Hodge, B. M.; Milligan, M.

2011-03-01T23:59:59.000Z

Note: This page contains sample records for the topic "intelligent distributed power" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


121

Submodule Integrated Distributed Maximum Power Point Tracking for Solar Photovoltaic Applications  

E-Print Network [OSTI]

This paper explores the benefits of distributed power electronics in solar photovoltaic applications through the use of submodule integrated maximum power point trackers (MPPT). We propose a system architecture that provides ...

Pilawa-Podgurski, Robert C. N.

122

Optimal Power Market Participation of Plug-In Electric Vehicles Pooled by Distribution Feeder  

E-Print Network [OSTI]

Transactions on Power Systems #12;WORKING PAPER 1 Optimal Power Market Participation of Plug-In ElectricOptimal Power Market Participation of Plug-In Electric Vehicles Pooled by Distribution Feeder Journal: IEEE Transactions on Power Systems Manuscript ID: TPWRS-00431-2011.R3 Manuscript Type

Caramanis, Michael

123

Distribution of Wind Power Forecasting Errors from Operational Systems (Presentation)  

SciTech Connect (OSTI)

This presentation offers new data and statistical analysis of wind power forecasting errors in operational systems.

Hodge, B. M.; Ela, E.; Milligan, M.

2011-10-01T23:59:59.000Z

124

OPTIMAL DISTRIBUTED POWER GENERATION UNDER NETWORK LOAD CONSTRAINTS,  

E-Print Network [OSTI]

-producers. Decentralized Power Generation (DPG) refers to an electric power source such as solar, wind or combined heat (the approach used in the traditional electric power paradigm), DPG systems employ numerous, but small¨EL BLOEMHOF, JOOST BOSMAN§, DAAN CROMMELIN¶, JASON FRANK , AND GUANGYUAN YANG Abstract. In electrical power

Frank, Jason

125

Advanced Power Electronics Interfaces for Distributed Energy Workshop Summary: August 24, 2006, Sacramento, California  

SciTech Connect (OSTI)

The Advanced Power Electronics Interfaces for Distributed Energy Workshop, sponsored by the California Energy Commission Public Interest Energy Research program and organized by the National Renewable Energy Laboratory, was held Aug. 24, 2006, in Sacramento, Calif. The workshop provided a forum for industry stakeholders to share their knowledge and experience about technologies, manufacturing approaches, markets, and issues in power electronics for a range of distributed energy resources. It focused on the development of advanced power electronic interfaces for distributed energy applications and included discussions of modular power electronics, component manufacturing, and power electronic applications.

Treanton, B.; Palomo, J.; Kroposki, B.; Thomas, H.

2006-10-01T23:59:59.000Z

126

A Low-Cost Distributed Control Architecture for Intelligent Transportation Systems Deployment in the State of Oklahoma  

E-Print Network [OSTI]

. In the USA, the Federal Intelligent Transportation Systems program was authorized as a result Efficiency Act for the 21st Century (TEA- 21). Via TEA-21, Federal funding is made available to states response agencies are well known. A typical ITS comprises vehicle detectors including inductive loops

Havlicek, Joebob

127

Artificial intelligence and intelligent tutoring systems  

SciTech Connect (OSTI)

As a species we have evolved by increasing our mental and physical powers through the deliberate development and use of instruments that amplify our inherent capabilities. Whereas hereditarily given instincts predetermine the actions of lower animal forms, human existence begins with freedom. As humans we can choose what actions we will perform. We have invented a technology called education to prepare ourselves for life. At present, our educational structures and procedures are failing to prepare us efficiently for the demands of modern life. One of the most important new technologies, in relation to human development, is the digital computer. This dissertation proposes that artificial intelligence maintain a highly critical technological awareness. Artificial intelligence, because of its origin as a politically sponsored field of investigation, must strive for constant awareness of its place within the larger political-economic world and its possible misuse by factions intent on manipulation and control. Computerized models of the human mind could be used in developing progressively more sophisticated brainwashing systems. Intelligent tutoring systems comprise an important new technology within the field of artificial intelligence. This dissertation explores specification and design procedures, functions and issues in developing intelligent tutoring systems.

Livergood, N.D.

1989-01-01T23:59:59.000Z

128

Distributed Power Generation: Requirements and Recommendations for an ICT Architecture  

E-Print Network [OSTI]

. Some of these are sustainable (wind and hydroelectric power plants, solar cells), some are controllable), distrib- uted generation, energy management systems (EMS) , IEC standards 1 Power Generation possible to generate energy efficiently in large-scale power plants, a complex infrastructure is needed

Appelrath, Hans-Jrgen

129

Optimal distributed power generation under network load constraints  

E-Print Network [OSTI]

wind turbines and heat pumps). This gives rise to the question how many units of each type (solar panel, mainly because of the development of novel components for decentral power generation (solar panels, small (DPG) refers to an electric power source such as solar, wind or combined heat power (CHP) connected

Utrecht, Universiteit

130

Utility Grid-Connected Distributed Power Systems National Solar Energy Conference  

E-Print Network [OSTI]

Utility Grid-Connected Distributed Power Systems National Solar Energy Conference ASES Solar 96 at least half of its energy obtained from energy efficiency and renewable resources by the year 2000. Solar energy, distributed generation resource. Investments made in solar power today are expected to provide

131

Reactive power management of distribution networks with wind generation for improving voltage stability  

E-Print Network [OSTI]

-loadability Reactive power margin Wind turbine a b s t r a c t This paper proposes static and dynamic VAR planningReactive power management of distribution networks with wind generation for improving voltage February 2013 Available online Keywords: Composite load Distributed generation D-STATCOM Q

Pota, Himanshu Roy

132

March 2014 Most Viewed Documents for Power Generation And Distribution...  

Office of Scientific and Technical Information (OSTI)

materials (CLSM), reported by ACI Committee 229 Rajendran, N. (1997) 15 > Industrial Power Factor Analysis Guidebook. Electrotek Concepts. (1995) 15 > WABASH RIVER COAL...

133

ITP Industrial Distributed Energy: Cooling, Heating, and Power...  

Broader source: Energy.gov (indexed) [DOE]

United States Government or any agency thereof. Abstract Investigators analyzed the energy consumption and end-user economics of Cooling, Heating, and Power (CHP) systems in...

134

ITP Distributed Energy: Combined Heat and Power Market Assessment...  

Broader source: Energy.gov (indexed) [DOE]

Governor COMBINED HEAT AND POWER MARKET ASSESSMENT Prepared For: California Energy Commission Public Interest Energy Research Program Prepared By: ICF International,...

135

ITP Industrial Distributed Energy: Cooling, Heating, and Power...  

Broader source: Energy.gov (indexed) [DOE]

for 2-7 stationary power generation or compression applications in the oil and gas industries. Figure 2-7 illustrates the components of an industrial turbine. Multiple...

136

Distributed Battery Control to Improve Peak Power Shaving Efficiency in Data Centers  

E-Print Network [OSTI]

Rack PDU BackupMain Bus-type power network Utility Diesel Generator ATS PDU Server Rack Server RackDistributed Battery Control to Improve Peak Power Shaving Efficiency in Data Centers Baris Aksanli, Eddie Pettis and Tajana S. Rosing UCSD, Google Stored energy in batteries can be used to cap peak power

Simunic, Tajana

137

Small Inverter-Interfaced Distributed Energy Resources for Reactive Power Support  

E-Print Network [OSTI]

to provide reactive power support. I. INTRODUCTION Electrical generators connected to ac power grids mustSmall Inverter-Interfaced Distributed Energy Resources for Reactive Power Support Alejandro D. Dom´inguez-Garc´ia, Christoforos N. Hadjicostis, Philip T. Krein, and Stanton T. Cady Department of Electrical and Computer

Liberzon, Daniel

138

Abstract--Distributed generation (DG) has brought great attention from the power community, especially  

E-Print Network [OSTI]

/distribution losses, reliability and power quality, especially when they are associated to stochastic or partially power flow, Reliability, Line losses I. INTRODUCTION RADITIONAL power grids are based on large and sun (photovoltaic) also falls into the DG classification, but they are more variable and can

Catholic University of Chile (Universidad Católica de Chile)

139

An Electricity Trade Model for Multiple Power Distribution Networks in Smart Energy Systems  

E-Print Network [OSTI]

An Electricity Trade Model for Multiple Power Distribution Networks in Smart Energy Systems different power networks through energy trading over a marketplace provides the chance to fully utilize--The future smart energy systems are projected to be decentralized power networks, each consisting of various

Pedram, Massoud

140

Distributing Power to Electric Vehicles on a Smart Grid Yingjie Zhou*,  

E-Print Network [OSTI]

Distributing Power to Electric Vehicles on a Smart Grid Yingjie Zhou*, , Student Member, IEEE.edu Abstract--Electric vehicles create a demand for additional electrical power. As the popularity of electric power to electric vehicles on a smart grid. We simulate the mechanisms using published data

Maxemchuk, Nicholas F.

Note: This page contains sample records for the topic "intelligent distributed power" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


141

Investigation of DC distribution by measuring and modelling power supply devices for buildings with PV  

E-Print Network [OSTI]

requiring power transformation components. Since any type of load can be potentially fed with direct current panels without any power transformation seems to be obvious, nevertheless, precise simulations needInvestigation of DC distribution by measuring and modelling power supply devices for buildings

Paris-Sud XI, Universit de

142

Performance and Fiscal Analysis of Distributed Sensor Networks in a Power Plant  

E-Print Network [OSTI]

Performance and Fiscal Analysis of Distributed Sensor Networks in a Power Plant Mitchell Colby University 204 Rogers Hall Corvallis, OR 97331 kagan.tumer@oregonstate.edu ABSTRACT As power plants become power plant, showing that system parameters may be accurately measured and tracked more effectively than

Tumer, Kagan

143

Symbolic diagnosis for intelligent control  

E-Print Network [OSTI]

power systems. The approach is to create a generic, symbolic inference engine to interpret data from real-time numerical processes. The interpreted data are then utilized by companion symbolic and numeric modules resulting in a dynamic, intelligent real...

Painter, John H.; Jowers, S.

1988-08-24T23:59:59.000Z

144

Distributed Energy Resources, Power Quality and Reliability - Background  

SciTech Connect (OSTI)

Power quality [PQ] and power reliability [PR] gained importance in the industrialized world as the pace of installation of sensitive appliances and other electrical loads by utility customers accelerated, beginning in the mid 1980s. Utility-grid-connected customers rapidly discovered that this equipment was increasingly sensitive to various abnormalities in the electricity supply.

Schienbein, Lawrence A.; DeSteese, John G.

2002-01-31T23:59:59.000Z

145

Topic 5: Renewable Power 1Networking and Distributed Systems  

E-Print Network [OSTI]

in Smart Grid 3 · We are interested in power plants with low carbon footprint: · Both CO2 and CH4 in Smart Grid 5 · Carbon footprint is also defined for power plants: · Conventional coal combustion has. · Desired choices (Renewable Sources): · Marine: Wave and Tidal · PV: Solar · Wind · Hydro #12;Carbon Tax Dr

Mohsenian-Rad, Hamed

146

An Intelligent Solar Powered Battery Buffered EV Charging Station with Solar Electricity Forecasting and EV Charging Load Projection Functions  

E-Print Network [OSTI]

fast charging, and solar power availability pose a challengeevent to a fixed SOC from solar power and/or the grid in athem without considering solar power availability and the

Zhao, Hengbing; Burke, Andrew

2014-01-01T23:59:59.000Z

147

ITP Industrial Distributed Energy: HUD Combined Heat and Power...  

Broader source: Energy.gov (indexed) [DOE]

HUD COMBINED HEAT AND POWER (CHP) GUIDE 3 INTRODUCTION TO THE LEVEL 2 ANALYSIS TOOL FOR MULTIFAMILY BUILDINGS PREPARED FOR U.S. DEPARTMENT OF HOUSING AND URBAN DEVELOPMENT BY U.S....

148

Most Viewed Documents for Power Generation and Distribution:...  

Office of Scientific and Technical Information (OSTI)

W ; Trainor-Guitton, W (2013) 18 Recovery of Water from Boiler Flue Gas Using Condensing Heat Exchangers Levy, Edward; Bilirgen, Harun; DuPont, John (2011) 18 Wind power...

149

Power-Demand Routing in massive geo-distributed systems  

E-Print Network [OSTI]

There is an increasing trend toward massive, geographically distributed systems. The largest Internet companies operate hundreds of thousands of servers in multiple geographic locations, and are growing at a fast clip. A ...

Qureshi, Asfandyar

2010-01-01T23:59:59.000Z

150

Design of a Norm-Bounded LQG Controller for Power Distribution Networks with Distributed Generation  

E-Print Network [OSTI]

of research. Due to the increased demand for electric power, large scale penetration of distibuted energy. Therefore, control of modern electric power systems becomes more and more challenging as the present trends electrical and electromechanical power systems involve a wide range of resonant oscillatory modes [2]. Due

Pota, Himanshu Roy

151

Multi-Agent Systems and Control, Intelligent Robotics, and Cybernetics. Power Electronics, Renewable Energy, and Smart Grid.  

E-Print Network [OSTI]

. Power Electronics, Renewable Energy, and Smart Grid. Computer Science and Engineering. Embedded Systems

Wu, Yih-Min

152

Anode-cathode power distribution systems and methods of using the same for electrochemical reduction  

DOE Patents [OSTI]

Power distribution systems are useable in electrolytic reduction systems and include several cathode and anode assembly electrical contacts that permit flexible modular assembly numbers and placement in standardized connection configurations. Electrical contacts may be arranged at any position where assembly contact is desired. Electrical power may be provided via power cables attached to seating assemblies of the electrical contacts. Cathode and anode assembly electrical contacts may provide electrical power at any desired levels. Pairs of anode and cathode assembly electrical contacts may provide equal and opposite electrical power; different cathode assembly electrical contacts may provide different levels of electrical power to a same or different modular cathode assembly. Electrical systems may be used with an electrolyte container into which the modular cathode and anode assemblies extend and are supported above, with the modular cathode and anode assemblies mechanically and electrically connecting to the respective contacts in power distribution systems.

Koehl, Eugene R; Barnes, Laurel A; Wiedmeyer, Stanley G; Williamson, Mark A; Willit, James L

2014-01-28T23:59:59.000Z

153

Abstract--A scalable multi-agent paradigm is presented for control of distributed energy resources to achieve higher  

E-Print Network [OSTI]

or even thousands of distributed generation centers instead of just among a handful of large utilities Terms--compensation, distributed generation, harmonics, intelligent multi-agents, reactive power technology challenges that have yet to be addressed. In some cases, distributed power generation will provide

Tolbert, Leon M.

154

Microgrids, virtual power plants and our distributed energy future  

SciTech Connect (OSTI)

Opportunities for VPPs and microgrids will only increase dramatically with time, as the traditional system of building larger and larger centralized and polluting power plants by utilities charging a regulated rate of return fades. The key questions are: how soon will these new business models thrive - and who will be in the driver's seat? (author)

Asmus, Peter

2010-12-15T23:59:59.000Z

155

Applying epoch-era analysis for homeowner selection of distributed generation power systems  

E-Print Network [OSTI]

The current shift from centralized energy generation to a more distributed model has opened a number of choices for homeowners to provide their own power. While there are a number of systems to purchase, there are no tools ...

Pia, Alexander L

2014-01-01T23:59:59.000Z

156

Design Concepts for Power Distribution Equipment Serving Non-Linear Loads  

E-Print Network [OSTI]

This paper explores the effects of power system harmonics induced by non-sinusoidal loads on electrical distribution equipment. The first portion examines the harmonic phenomenon to more fully understand harmonic current behavior from an intuitive...

Massey, G. W.

157

Investigation of anti-islanding schemes for utility interconnection of distributed fuel cell powered generations  

E-Print Network [OSTI]

The rapid emergence of distributed fuel cell powered generations (DFPGs) operating in parallel with utility has brought a number of technical concerns as more DFPGs are connected to utility grid. One of the most challenging problems is known...

Jeraputra, Chuttchaval

2006-04-12T23:59:59.000Z

158

Fuzzy logic based operated device identification in power distribution systems  

E-Print Network [OSTI]

of an operated device identification algorithm to be used as one of four modules in an automated modular scheme for fault section estimation on radial distribution systems. This algorithm will be executed in tandem with the other fault location modules that form...

Manivannan, Karthick Muthu

2002-01-01T23:59:59.000Z

159

Estimating Hurricane Outage and Damage Risk in Power Distribution System  

E-Print Network [OSTI]

curve and posterior fragility curve for Southern Pine, 12.47 kV distribution line ................................................................................. 79 Figure 7.9 Mean fraction failed of poles for 3 Hurricanes, prior fragility curve... Linear Models .................................................................. 4 2.2 Generalized Additive Models............................................................... 5 2.3 Model Fitting and Measuring Goodness of Fit...

Han, Seung Ryong

2009-05-15T23:59:59.000Z

160

Topic 1: Basics of Power Systems A.H. MohsenianRad (U of T) 1Networking and Distributed Systems  

E-Print Network [OSTI]

) Transmission Lines Several Hundred Miles Switching Stations Transformers Circuit Breakers #12;Power Systems Grid 7 · Power Distribution: Medium Voltage (MV) Transmission Lines ( in Smart Grid 11 Nodes: Buses Links: Transmission Lines Generator Load #12;Power Grid Graph Representation

Mohsenian-Rad, Hamed

Note: This page contains sample records for the topic "intelligent distributed power" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


161

Switching coordination of distributed dc-dc converters for highly efficient photovoltaic power plants  

DOE Patents [OSTI]

A distributed photovoltaic (PV) power plant includes a plurality of distributed dc-dc converters. The dc-dc converters are configured to switch in coordination with one another such that at least one dc-dc converter transfers power to a common dc-bus based upon the total system power available from one or more corresponding strings of PV modules. Due to the coordinated switching of the dc-dc converters, each dc-dc converter transferring power to the common dc-bus continues to operate within its optimal efficiency range as well as to optimize the maximum power point tracking in order to increase the energy yield of the PV power plant.

Agamy, Mohammed; Elasser, Ahmed; Sabate, Juan Antonio; Galbraith, Anthony William; Harfman Todorovic, Maja

2014-09-09T23:59:59.000Z

162

Power Flow Analysis Algorithm for Islanded LV Microgrids Including Distributed Generator Units with  

E-Print Network [OSTI]

of virtual impedance parameters and (ii) higher accuracy in reactive power flow calculation. The improved With larger portion of growing electricity demand which is being fed through distributed generation (DG, in order to decouple real and reactive power, to increase the stability margin and also to improve

Chaudhary, Sanjay

163

A Case Study on Reactive Protocols for Aircraft Electric Power Distribution  

E-Print Network [OSTI]

A Case Study on Reactive Protocols for Aircraft Electric Power Distribution Huan Xu1, Ufuk Topcu2 electric power system that meets system requirements and reacts dynamically to changes in internal system to more-electric aircraft architectures possible. Conventional architectures utilize a combination

Xu, Huan

164

Reactive Protocols for Aircraft Electric Power Distribution Huan Xu, Ufuk Topcu, and Richard M. Murray  

E-Print Network [OSTI]

Reactive Protocols for Aircraft Electric Power Distribution Huan Xu, Ufuk Topcu, and Richard M. Murray Abstract-- The increasing complexity of electric power sys- tems leads to integration and verification challenges. We consider the problem of designing a control protocol for the aircraft electric

Murray, Richard M.

165

Voltage Oscillations in Power Distribution Networks in the Presence of DFIGs and Induction Motor Loads  

E-Print Network [OSTI]

energy sources, wind power has proven to be one of the most successful sources offering relatively high-speed operation of wind tur- bines with frequency converters offers certain advantages [2]: mechanical stress penetration of wind power in traditional passive distribution networks requires detailed analysis to ensure

Pota, Himanshu Roy

166

PERFORMANCE OF DISTRIBUTED UTILITY-BASED POWER CONTROL FOR WIRELESS AD HOC NETWORKS  

E-Print Network [OSTI]

PERFORMANCE OF DISTRIBUTED UTILITY-BASED POWER CONTROL FOR WIRELESS AD HOC NETWORKS Jianwei Huang network. The users exchange prices that reflect their loss in utility due to interference. The prices are then used to determine optimal (utility maximizing) power levels for each user. We present simulation

Kuzmanovic, Aleksandar

167

Managing Distributed UPS Energy for Effective Power Capping in Data Centers Vasileios Kontorinis  

E-Print Network [OSTI]

that are amortized over the lifetime of the data center (capital expenses, or capex) and monthly recur- ring operating expenses (opex) [22]. Capex costs are pro- portional to the provisioned IT power per facility examines the use of distributed batteries in the data center to reduce both capex and opex costs. Power

Tomkins, Andrew

168

Reliability Improvement Programs in Steam Distribution and Power Generation Systems  

E-Print Network [OSTI]

RELIABILITY IIIPROVEfWlT PROGRAMS IN STEAM DISTRIBUTION AND POVER GENERATION SYSTEItS Steve Petto Tech/Serv Corporation Blue Bell, PA Abstract This paper will present alternatives to costly corrective maintenance of the steam trap... In the reliability and efficiency of the system. Recent studies have shownt hat more than 40% of all In stalled steam traps and 20% of certain types of valves need some form of corrective action. The majority of all high backpressure problems In condensate return...

Petto, S.

169

Impact of Distributed Wind on Bulk Power System Operations in ISO-NE (Presentation)  

SciTech Connect (OSTI)

The work presented in the paper corresponding to this presentation aims to study the impact of a range of penetration levels of distributed wind on the operation of the electric power system at the transmission level. This presentation is an overview of a case study on the power system in Independent System Operator New England. It is analyzed using PLEXOS, a commercial power system simulation tool

Brancucci Martinez-Anido, C.; Hodge, B. M.; Palchak, D.; Miettinen, J.

2014-11-01T23:59:59.000Z

170

A Distributed Approach to MPPT for PV Sub-Module Differential Power Processing  

E-Print Network [OSTI]

for differential power processing in photovoltaic (PV) applica- tions. This distributed algorithm performs true of the proposed distributed algorithm. I. INTRODUCTION In photovoltaic (PV) energy systems, PV modules are of- ten, reliability, and cost. A high level introduction to the DPP concept can be found in [8]. In contrast to DC

Liberzon, Daniel

171

1170 IEEE TRANSACTIONS ON POWER SYSTEMS, VOL. 28, NO. 2, MAY 2013 Independent Distributed Generation Planning  

E-Print Network [OSTI]

Generation Planning to Profit Both Utility and DG Investors H. A. Hejazi, Ali R. Araghi, Behrooz Vahidi, S. H-scale electric generation facilities to participate in distributed generation (DG) with few requirements on power Terms--Distributed generation, investment incentives, op- timal location, price allocation, size

Mohsenian-Rad, Hamed

172

Reliability Based Vegetation Management Through Intelligent System Monitoring  

E-Print Network [OSTI]

Reliability Based Vegetation Management Through Intelligent System Monitoring Final Project Report Research Center since 1996 PSERC #12;Power Systems Engineering Research Center Reliability Based Vegetation project titled "Reliability Based Vegetation Maintenance Through Intelligent System Monitoring (T-27)." We

173

Distributed Solar Power Ltd Di S P | Open Energy Information  

Open Energy Info (EERE)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home5b9fcbce19 NoPublic Utilities Address:011-DNA Jump to:52c8ff988c1Dering Harbor,Discount PowerEmerlingEnergy

174

GridLab Power Distribution System Simulation | Open Energy Information  

Open Energy Info (EERE)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Office of InspectorConcentrating Solar Power BasicsGermany: Energy ResourcesNewsInformation Grid-ConnectedGridLab

175

Impact of Distributed Wind on Bulk Power System Operations in ISO-NE: Preprint  

SciTech Connect (OSTI)

The work presented in this paper aims to study the impact of a range of penetration levels of distributed wind on the operation of the electric power system at the transmission level. This paper presents a case study on the power system in Independent System Operator New England. It is analyzed using PLEXOS, a commercial power system simulation tool. The results show that increasing the integration of distributed wind reduces total variable electricity generation costs, coal- and gas-fired electricity generation, electricity imports, and CO2 emissions, and increases wind curtailment. The variability and uncertainty of wind power also increases the start-up and shutdown costs and ramping of most conventional power plants.

Brancucci Martinez-Anido, C.; Hodge, B. M.; Palchak, D.; Miettinen, J.

2014-09-01T23:59:59.000Z

176

Outage Detection in Power Distribution Networks with Optimally-Deployed Power Flow Sensors  

E-Print Network [OSTI]

. When two-way communications from the operator and the smart meters are available, AMI polling has been deployed real-time power flow sensors and that of load estimates via Advanced Metering Infrastructure (AMI

Zhao, Yue

177

Instantaneous Active and Nonactive Power Control of Distributed Energy Resources with Current Limiter  

SciTech Connect (OSTI)

Abstract -- Distributed energy resources (DER) with a power electronics inverter interface can provide both active power and nonactive power simultaneously and independently. A decoupled control algorithm of active power and nonactive power is developed based on the instantaneous active power and nonactive power theory. A current limiter is combined to the control algorithm, and it ensures that the inverter is not overloaded. During the normal system operation, the active power has higher priority over the nonactive power so that the energy from a DER can be fully transferred to the grid. Within the inverter s capability, nonactive power is provided to the grid as required. With this control algorithm, the inverter s capabilities are taken full advantage at all times, both in terms of functionality as well as making use of its full KVA rating. Through the algorithm, the inverter s active power and nonactive power are controlled directly, simultaneously, and independently. Several experimental results fully demonstrate the validity and effectiveness of this new control algorithm. As evidenced by the fast dynamic response that results, a DER system with the control algorithm can provide full services to the grid in both steady state and during transient events.

Xu, Yan [ORNL; Li, Huijuan [ORNL; Rizy, D Tom [ORNL; Li, Fangxing [ORNL; Kueck, John D [ORNL

2010-01-01T23:59:59.000Z

178

Development of a hybrid intelligent system for on-line real-time monitoring of nuclear power plant operations  

E-Print Network [OSTI]

A nuclear power plant (NPP) has an intricate operational domain involving systems, structures and components (SSCs) that vary in scale and complexity. Many of the large scale SSCs contribute to the lost availability in the ...

Yildiz, Bilge, 1976-

2003-01-01T23:59:59.000Z

179

SELECTING THE BEST POINT OF CONNECTION FOR SHUNT ACTIVE FILTERS IN MULTI-BUS POWER DISTRIBUTION SYSTEMS  

E-Print Network [OSTI]

and reliability. The selection of the active filter point of connection in multi-bus power distribution systems to the power distribution system, the point of connection must be carefully selected so the generated harmonic components flow to the nonlinear loads and do not propagate through the distribution system. In this paper

Catholic University of Chile (Universidad Catlica de Chile)

180

Advanced Power Electronic Interfaces for Distributed Energy Systems, Part 2: Modeling, Development, and Experimental Evaluation of Advanced Control Functions for Single-Phase Utility-Connected Inverter  

SciTech Connect (OSTI)

Integrating renewable energy and distributed generations into the Smart Grid architecture requires power electronic (PE) for energy conversion. The key to reaching successful Smart Grid implementation is to develop interoperable, intelligent, and advanced PE technology that improves and accelerates the use of distributed energy resource systems. This report describes the simulation, design, and testing of a single-phase DC-to-AC inverter developed to operate in both islanded and utility-connected mode. It provides results on both the simulations and the experiments conducted, demonstrating the ability of the inverter to provide advanced control functions such as power flow and VAR/voltage regulation. This report also analyzes two different techniques used for digital signal processor (DSP) code generation. Initially, the DSP code was written in C programming language using Texas Instrument's Code Composer Studio. In a later stage of the research, the Simulink DSP toolbox was used to self-generate code for the DSP. The successful tests using Simulink self-generated DSP codes show promise for fast prototyping of PE controls.

Chakraborty, S.; Kroposki, B.; Kramer, W.

2008-11-01T23:59:59.000Z

Note: This page contains sample records for the topic "intelligent distributed power" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


181

Enhanced Recovery Utilizing Variable Frequency Drives and a Distributed Power System  

SciTech Connect (OSTI)

This report describes complete results of the project entitled ''Enhanced Recovery Utilizing Variable Frequency Drives and a Distributed Power System''. This demonstration project was initiated in July 2003 and completed in March 2005. The objective of the project was to develop an integrated power production/variable frequency drive system that could easily be deployed in the oil field that would increase production and decrease operating costs. This report describes all the activities occurred and documents results of the demonstration.

Randy Peden; Sanjiv Shah

2005-07-26T23:59:59.000Z

182

Power distributions in fresh and depleted LEU and HEU cores of the MITR reactor.  

SciTech Connect (OSTI)

The Massachusetts Institute of Technology Reactor (MITR-II) is a research reactor in Cambridge, Massachusetts designed primarily for experiments using neutron beam and in-core irradiation facilities. It delivers a neutron flux comparable to current LWR power reactors in a compact 6 MW core using Highly Enriched Uranium (HEU) fuel. In the framework of its non-proliferation policies, the international community presently aims to minimize the amount of nuclear material available that could be used for nuclear weapons. In this geopolitical context, most research and test reactors both domestic and international have started a program of conversion to the use of Low Enriched Uranium (LEU) fuel. A new type of LEU fuel based on an alloy of uranium and molybdenum (UMo) is expected to allow the conversion of U.S. domestic high performance reactors like the MITR-II reactor. Toward this goal, core geometry and power distributions are presented. Distributions of power are calculated for LEU cores depleted with MCODE using an MCNP5 Monte Carlo model. The MCNP5 HEU and LEU MITR models were previously compared to experimental benchmark data for the MITR-II. This same model was used with a finer spatial depletion in order to generate power distributions for the LEU cores. The objective of this work is to generate and characterize a series of fresh and depleted core peak power distributions, and provide a thermal hydraulic evaluation of the geometry which should be considered for subsequent thermal hydraulic safety analyses.

Wilson, E.H.; Horelik, N.E.; Dunn, F.E.; Newton, T.H., Jr.; Hu, L.; Stevens, J.G. (Nuclear Engineering Division); (2MIT Nuclear Reactor Laboratory and Nuclear Science and Engineering Department)

2012-04-04T23:59:59.000Z

183

Power-like corrections and the determination of the gluon distribution  

E-Print Network [OSTI]

Power-suppressed corrections to parton evolution may affect the theoretical accuracy of current determinations of parton distributions. We study the role of multigluon-exchange terms in the extraction of the gluon distribution for the Large Hadron Collider (LHC). Working in the high-energy approximation, we analyze multi-gluon contributions in powers of 1/Q^2. We find a moderate, negative correction to the structure function's derivative d F_2 / d \\ln Q^2, characterized by a slow fall-off in the region of low to medium Q^2 relevant for determinations of the gluon at small momentum fractions.

F. Hautmann

2006-10-06T23:59:59.000Z

184

The harmonic impact of electric vehicle battery chargers on residential power distribution  

SciTech Connect (OSTI)

Electric vehicles (EV), which are powered by battery-driven electric motors, are becoming an ecologically attractive alternative to gasoline driven vehicles. One drawback to them is that the associated battery chargers are power electronic circuits which, because of their non-linear nature, can produce deleterious harmonic effects on the electric utility distribution system. To investigate the harmonic effects of widespread use of EV battery chargers, three different commercially available EV battery chargers are modeled using the injection current method to represent their current waveforms for simulation in a SPICE model of a particular distribution system.

Wang, Y.; O`Connell, R.M. [Univ. of Missouri, Columbia, MO (United States). Dept. of Electrical Engineering; Brownfield, G. [Ameren Services, St. Louis, MO (United States)

1999-11-01T23:59:59.000Z

185

International Journal of Artificial Intelligence in Education (1998), 9, 159-177. Supporting Peer Help and Collaboration in Distributed  

E-Print Network [OSTI]

Peer Help and Collaboration in Distributed Workplace Environments J. Greer, G. McCalla, J. Collins, V of their workers. In this paper we describe a prototype system called PHelpS (Peer Help System) that facilitates workers who are ready, willing and able to help him or her. The worker then selects a particular helper

Paris-Sud XI, Université de

186

1556-603X/11/$26.002011IEEE AUGUST 2011 | IEEE COMPUTATIONAL INTELLIGENCE MAGAZINE 47 I. Introduction  

E-Print Network [OSTI]

). The ability to predict future behav- iors and energy demand is part of the intelligence needed by Smart Grids (see EU ADDRESS project [1]). An intensive use of Distributed Generation raises new challenges- tions in power systems, and it concerns the prediction of energy demand in different time spans

Yao, Xin

187

IEEE TRANSACTIONS ON POWER ELECTRONICS, VOL. 12, NO. 1, JANUARY 1997 87 Fuzzy Logic Based Intelligent Control of a Variable  

E-Print Network [OSTI]

system. The generation system has fuzzy logic control with vector control in the inner loops. A fuzzyIEEE TRANSACTIONS ON POWER ELECTRONICS, VOL. 12, NO. 1, JANUARY 1997 87 Fuzzy Logic Based a variable speed wind genera- tion system where fuzzy logic principles are used for efficiency optimization

Simões, Marcelo Godoy

188

Abstract--During recent decades, artificial intelligence has been employed as a powerful tool for identification of complex  

E-Print Network [OSTI]

identification of a low-power gas turbine. The processed data was obtained from a SIMULINK model of a gas turbine techniques has been developed so far to approach an optimal model of gas turbines. Artificial neural network. There are considerable research activities in the field of ANN- based system identification and modelling of gas turbines

Sainudiin, Raazesh

189

Power Hardware-in-the-Loop (PHIL) Testing Facility for Distributed Energy Storage (Poster)  

SciTech Connect (OSTI)

The growing deployment of distributed, variable generation and evolving end-user load profiles presents a unique set of challenges to grid operators responsible for providing reliable and high quality electrical service. Mass deployment of distributed energy storage systems (DESS) has the potential to solve many of the associated integration issues while offering reliability and energy security benefits other solutions cannot. However, tools to develop, optimize, and validate DESS control strategies and hardware are in short supply. To fill this gap, NREL has constructed a power hardware-in-the-loop (PHIL) test facility that connects DESS, grid simulator, and load bank hardware to a distribution feeder simulation.

Neubauer.J.; Lundstrom, B.; Simpson, M.; Pratt, A.

2014-06-01T23:59:59.000Z

190

Power and Energy Profiling of Scientific Applications on Distributed Systems Xizhou Feng, Rong Ge, Kirk W. Cameron  

E-Print Network [OSTI]

.e. cost in power usage over time) will vary by application. For example, it costs 535 joules of energy system power consumption focus on building-wide power usage [6]. Such studies do not separate individualPower and Energy Profiling of Scientific Applications on Distributed Systems Xizhou Feng, Rong Ge

Feng, Xizhou

191

FOREIGN POLICY MAGAZINE JANUARY FEBRUARY 2002 Smarter Intelligence  

E-Print Network [OSTI]

.S. counterterrorism intelligence? Not more spies nor the power to assassinate terrorist leaders, say two former CIA Intelligence Agency (CIA), envisioned the enemy to be states such as the Soviet Union and also recognized for the former, and the intelligence community--comprising the CIA, the National Security Agency (NSA

Deutch, John

192

Refurbish power supply/distribution system Phase II. Progress status report No. 43, March 1, 1995--March 31, 1995  

SciTech Connect (OSTI)

This is a progress report detailing the schedules, accomplishments, and contract changes in the refurbishment of the Oak Ridge Y-12 plant power supply and distribution system.

NONE

1995-03-31T23:59:59.000Z

193

On the distributions of seasonal river flows: Lognormal or power law?  

E-Print Network [OSTI]

of extreme events, risk assessment for water supply, and environmental flow management, among many others of hydrological engineering, including optimal design of water storage and drainage networks, management. Having diverging moments, heavy-tailed power law distributions have attracted widespread attention

Gao, Jianbo

194

PROJECT REPORT Energy Management for EV Charge Station in Distributed Power System  

E-Print Network [OSTI]

of few batteries which connected to the DPS generator, super capacitors(or other energy storage device capacitors, we want to obtain an optimal battery and super capacitor discharging schedule from distributed. Then the second one is conventional power grid will only connected to super capacitors and charge them when needed

He, Lei

195

Distributed Internet-based Load Altering Attacks against Smart Power Grids  

E-Print Network [OSTI]

technology in advanced demand side management and given the growth in power consumption in the computation by compromising direct load control command signals, demand side management price signals, or cloud computation distribution system. Keywords: Smart grid security, Internet-based load altering attacks, demand side

Mohsenian-Rad, Hamed

196

pahwa@ksu.edu Holonic Multi-agent Control of Power Distribution Systems of the Future  

E-Print Network [OSTI]

pahwa@ksu.edu Holonic Multi-agent Control of Power Distribution Systems of the Future A. PAHWA, S number of these devices. In this paper, we present a Holonic Multi-agent System Architecture capable, extensible, and secure cyber architecture based on holonic multi-agent principles to support adaptive PDS

Singh, Gurdip

197

Gravitational Lensing by Power-Law Mass Distributions: A Fast and Exact Series Approach  

E-Print Network [OSTI]

We present an analytical formulation of gravitational lensing using familiar triaxial power-law mass distributions, where the 3-dimensional mass density is given by $\\rho(X,Y,Z) = \\rho_0 [1 + (\\frac{X}{a})^2 + (\\frac{Y}{b})^2 + (\\frac{Z}{c})^2]^{-\

Kyu-Hyun Chae; Valery K. Khersonsky; David A. Turnshek

1998-08-31T23:59:59.000Z

198

Power loss of a single electron charge distribution confined in a quantum plasma  

SciTech Connect (OSTI)

The dielectric tensor for a quantum plasma is derived by using a linearized quantum hydrodynamic theory. The wave functions for a nanostructure bound system have been investigated. Finally, the power loss for an oscillating charge distribution of a mixed state will be calculated, using the dielectric function formalism.

Mehramiz, A. [Department of Atomic and Molecular Physics, Faculty of Physics, University of Tabriz, East Azerbaijan 51664 (Iran, Islamic Republic of); Department of Physics, Faculty of Science, I. K. Int'l University, Qazvin 34149-16818 (Iran, Islamic Republic of); Mahmoodi, J. [Department of Physics, Faculty of Science, University of Qom, Qom 3716146611 (Iran, Islamic Republic of); Sobhanian, S. [Department of Atomic and Molecular Physics, Faculty of Physics, University of Tabriz, East Azerbaijan 51664 (Iran, Islamic Republic of)

2011-05-15T23:59:59.000Z

199

Joint Distributed Access Point Selection and Power Allocation in Cognitive Radio Networks  

E-Print Network [OSTI]

of the cognitive radio network (CRN). Most of the current works dealing with spectrum management in the CRN focus) spectrum mobility, rules that require the CUs to leave the channel if licensed users are detected. Many1 Joint Distributed Access Point Selection and Power Allocation in Cognitive Radio Networks Mingyi

Garcia, Alfredo

200

Advanced intelligent coordinated control of coal fired power plant based on fuzzy reasoning and auto-tuning  

SciTech Connect (OSTI)

The load following operation of coal-fired boiler-turbine unit in power plants can lead to changes in operating points, and it results in nonlinear variations of the plant variables and parameters. As there exist strong couplings between the main steam pressure control loop and the power output control loop in the boiler-turbine unit with large time-delay and uncertainties, automatic coordinated control of the two loops is a very challenging problem. This paper presents a new coordinated control strategy (CCS) which is organized into two levels: a basic control level and a high supervision level. PID-type controllers are used in the basic level to perform basic control functions while the decoupling between two control loops can be realized in the high level. Moreover, PID-type controllers can be auto-tuned to achieve a better control performance in the whole operating range and to reject the unmeasurable disturbances. A special subclass of fuzzy inference systems, namely the Gaussian partition system with evenly spaced midpoints, is also proposed to auto-tune the PID controller in the main steam pressure loop based on the error signal and its first difference to overcome uncertainties caused by changing fuel calorific value, machine wear, contamination of the boiler heating surfaces and plant modeling errors, etc. The developed CCS has been implemented in a power plant in China, and satisfactory industrial operation results demonstrate that the proposed control strategy has enhanced the adaptability and robustness of the process.

Li, S.Y.; Liu, H.B.; Cai, W.J.; Soh, Y.C.; Xie, L.H. [Shanghai Jiao Tong University, Shanghai (China)

2004-07-01T23:59:59.000Z

Note: This page contains sample records for the topic "intelligent distributed power" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


201

www.jatit.org ARTIFICIAL INTELLIGENCE BASED TUNING OF SVC CONTROLLER FOR CO-GENERATED POWER SYSTEM  

E-Print Network [OSTI]

The gain of SVC depends upon the type of reactive power load for optimum performance. As the load and input wind power conditions are variable, the gain setting of SVC needs to be adjusted or tuned. In this paper, an ANN based approach has been used to tune the gain parameters of the SVC controller over a wide range of load characteristics. The multi-layer feed-forward ANN tool with the error backpropagation training method is employed. Loads have been taken as the function of voltage. Analytical techniques have mostly been based on impedance load reduced network models, which suffer from several disadvantages, including inadequate load representation and lack of structural integrity. The ability of ANNs to spontaneously learn from examples, reason over inexact and fuzzy data and provide adequate and quick responses to new information not previously stored in memory has generated high performance dynamical system with unprecedented robustness. ANNs models have been developed for different hybrid power system configurations for tuning the proportional-integral controller for SVC. Transient responses of different autonomous configurations show that SVC controller with its gained tuned by the ANNs provide optimum system performance for a variety of loads.

Vinod Kumar

202

Non-Stationary Random Process for Large-Scale Failure and Recovery of Power Distributions  

E-Print Network [OSTI]

A key objective of the smart grid is to improve reliability of utility services to end users. This requires strengthening resilience of distribution networks that lie at the edge of the grid. However, distribution networks are exposed to external disturbances such as hurricanes and snow storms where electricity service to customers is disrupted repeatedly. External disturbances cause large-scale power failures that are neither well-understood, nor formulated rigorously, nor studied systematically. This work studies resilience of power distribution networks to large-scale disturbances in three aspects. First, a non-stationary random process is derived to characterize an entire life cycle of large-scale failure and recovery. Second, resilience is defined based on the non-stationary random process. Close form analytical expressions are derived under specific large-scale failure scenarios. Third, the non-stationary model and the resilience metric are applied to a real life example of large-scale disruptions due t...

Wei, Yun; Galvan, Floyd; Couvillon, Stephen; Orellana, George; Momoh, James

2012-01-01T23:59:59.000Z

203

RELIABILITY ANALYSIS OF THE ELECTRICAL POWER DISTRIBUTION SYSTEM TO SELECTED PORTIONS OF THE NUCLEAR HVAC SYSTEM  

SciTech Connect (OSTI)

A design requirement probability of 0.01 or less in a 4-hour period ensures that the nuclear heating, ventilation, and air-conditioning (HVAC) system in the primary confinement areas of the Dry Transfer Facilities (DTFs) and Fuel Handling Facility (FHF) is working during a Category 1 drop event involving commercial spent nuclear fuel (CSNF) assemblies (BSC 2004a , Section 5.1.1.48). This corresponds to an hourly HVAC failure rate of 2.5E-3 per hour or less, which is contributed to by two dominant causes: equipment failure and loss of electrical power. Meeting this minimum threshold ensures that a Category 1 initiating event followed by the failure of HVAC is a Category 2 event sequence. The two causes for the loss of electrical power include the loss of offsite power and the loss of onsite power distribution. Thus, in order to meet the threshold requirement aforementioned, the failure rate of mechanical equipment, loss of offsite power, and loss of onsite power distribution must be less than or equal to 2.5E-3 per hour for the nuclear HVAC system in the primary confinement areas of the DTFs and FHF. The loss of offsite power occurs at a frequency of 1.1E-5 per hour (BSC 2004a, Section 5.1.1.48). The purpose of this analysis is to determine the probability of occurrence of the unavailability of the nuclear HVAC system in the primary confinement areas of the DTFs and FHF due to loss of electrical power. In addition, this analysis provides insights on the contribution to the unavailability of the HVAC system due to equipment failure. The scope of this analysis is limited to finding the frequency of loss of electrical power to the nuclear HVAC system in the primary confinement areas of the DTFs and FHF.

N. Ramirez

2004-12-16T23:59:59.000Z

204

Designing criteria for building power systems supplying distributed non-linear loads  

SciTech Connect (OSTI)

In commercial and institutional buildings, the wider use of power electronics equipment, such as computer switch-mode power supplies and compact fluorescent lights with electronic ballasts, can create many problems. These loads are generally single-phase with a 3rd harmonic current that can be equal or more than 60%. The aim of this paper is that of analyzing several specific aspects of power system design, such as: sizing of circuits; and the selection of circuits, by correlating them with this specific problem of distributed nonlinear load supply. The proposed criteria can be utilized both in a short-term action for resolution of specific problems, and in medium-term action for development of new optimization procedures of power system design.

Grasselli, U.; Parise, G. [Univ. of Rome La Sapienza (Italy). Electrical Engineering Dept.

1995-12-31T23:59:59.000Z

205

Entropy and the Cosmic Ray Particle Energy Distribution Power Law Exponent  

E-Print Network [OSTI]

We consider the hypothesis that cosmic rays are emitted from the surfaces of neutron stars by a process of evaporation from an internal nuclear liquid to a dilute external gas which constitutes the "vacuum". On this basis, we find an inverse power in the energy distribution with a power law exponent of 2.701178 in excellent agreement with the experimental value of 2.7. The heat of nuclear matter evaporation via the entropy allows for the computation of the exponent. The evaporation model employed is based on the entropy considerations of Landau and Fermi that have been applied to the liquid drop model of evaporation in a heavy nucleus excited by a collision. This model provides a new means of obtaining power law distributions for cosmic ray energy distributions and, remarkably, an actual value for the exponent which is in agreement with experiment and explains the otherwise puzzling smoothness of the cosmic ray energy distribution over a wide range of energies without discontinuities due to contributions from different sources required by current models.

A. Widom; J. Swain; Y. N. Srivastava

2014-10-05T23:59:59.000Z

206

Artificial Intelligence and Robotics  

E-Print Network [OSTI]

Since Robotics is the field concerned with the connection of perception to action, Artificial Intelligence must have a central role in Robotics if the connection is to be intelligent. Artificial Intelligence addresses ...

Brady, Michael

1984-02-01T23:59:59.000Z

207

Dynamic Control of Electricity Cost with Power Demand Smoothing and Peak Shaving for Distributed Internet Data Centers  

E-Print Network [OSTI]

Dynamic Control of Electricity Cost with Power Demand Smoothing and Peak Shaving for Distributed a major part of their running costs. Modern electric power grid provides a feasible way to dynamically and efficiently manage the electricity cost of distributed IDCs based on the Locational Marginal Pricing (LMP

Rahman, A.K.M. Ashikur

208

Ionic Liquids for Utilization of Waste Heat from Distributed Power Generation Systems  

SciTech Connect (OSTI)

The objective of this research project was the development of ionic liquids to capture and utilize waste heat from distributed power generation systems. Ionic Liquids (ILs) are organic salts that are liquid at room temperature and they have the potential to make fundamental and far-reaching changes in the way we use energy. In particular, the focus of this project was fundamental research on the potential use of IL/CO2 mixtures in absorption-refrigeration systems. Such systems can provide cooling by utilizing waste heat from various sources, including distributed power generation. The basic objectives of the research were to design and synthesize ILs appropriate for the task, to measure and model thermophysical properties and phase behavior of ILs and IL/CO2 mixtures, and to model the performance of IL/CO2 absorption-refrigeration systems.

Joan F. Brennecke; Mihir Sen; Edward J. Maginn; Samuel Paolucci; Mark A. Stadtherr; Peter T. Disser; Mike Zdyb

2009-01-11T23:59:59.000Z

209

Exploration of On-Chip Switched-Capacitor DC-DC Converter for Multicore Processors Using a Distributed Power Delivery  

E-Print Network [OSTI]

%) and minimal parasitic losses. Prior work has not adequately studied the layout implications of on-chip power to the utilization points (it is for this reason that decoupling capacitors which deliver power based on stored a Distributed Power Delivery Network Pingqiang Zhou, Dong Jiao, Chris H. Kim and Sachin S. Sapatnekar Department

Sapatnekar, Sachin

210

Power and Energy Profiling of Scientific Applications on Distributed Systems Xizhou Feng, Rong Ge, Kirk W. Cameron  

E-Print Network [OSTI]

in power usage over time) will vary by application. For example, it costs 535 joules of energy to execute consumption focus on building-wide power usage [6]. Such studies do not separate individual systemsPower and Energy Profiling of Scientific Applications on Distributed Systems Xizhou Feng, Rong Ge

Ge, Rong

211

Size distribution of fine Particles in Stack emissions of a 600-MWe coal-fired Power Plant  

E-Print Network [OSTI]

Size distribution of fine Particles in Stack emissions of a 600-MWe coal-fired Power Plant I coal-fired power plant. Aknowledgements: French environment agency ADEME (Contract number 04-74-C0018 that was carried out in March 2006 at a 600-MWe coal-fired power plant. 51 ineris-00973267,version1-4Apr2014 Author

Paris-Sud XI, Université de

212

Deviation from power law of the global earthquake seismic moment distribution  

E-Print Network [OSTI]

The distribution of earthquake seismic moment is of capital importance to evaluate seismic hazard, in particular regarding the most extreme events. Likelihood-ratio tests let to compare the performance of the most suitable probabilistic models when ?tted to the global CMT catalog. The conclusion is that the truncated gamma model outperforms the power law and the tapered Gutenberg-Richter models, being able to explain the empirical data both before and after the great Sumatra-Andaman earthquake of 2004.

Serra, Isabel

2015-01-01T23:59:59.000Z

213

The characteristics of arcing faults in 480-volt power distribution systems  

E-Print Network [OSTI]

December 1994 Major Subject: Electrical Engineering THE CHARACTERISTICS OF ARCING FAULTS IN 480-VOLT POWER DISTRIBUTION SYSTEMS A Thesis by YU SHI Submitted to Texas ARM University in partial fulfillment of the requirements for the degree... of MASTER OF SCIENCE Approved as to style and content by: B. Don Russell (Chair of Committee) . M. Hua g (Member) , 24 . Yurt (Member) M. Kezunovic (Member) A. D. Patton (Head of Department) December 1994 Major Subject; Electrical Engineering...

Shih, Yu?

1994-01-01T23:59:59.000Z

214

RF Distribution System for High Power Test of the SNS Cryomodule  

SciTech Connect (OSTI)

A four-way waveguide RF power distribution system for testing the Spallation Neutron Source (SNS) multi-cavity cryomodule to investigate the collective behavior has been developed. A single klystron operating at 805MHz for 1.3 msec at 60Hz powers the 4-way waveguide splitter to deliver up to 400 kW to individual cavities. Each cavity is fed through a combination of waveguide splitters and vector modulators (VM) to provide independent magnitude and phase controls. The waveguide vector modulator consists of two quadrature hybrids and two motorized waveguide phase shifters. The phase shifters and the assembled waveguide vector modulators were individually tested and characterized for low power and high RF power in the SNS RF test facility. Precise calibrations of magnitude and phase were performed to generate the look up tables (LUTs) to provide operational references during the cryomodule test. An I-Q demodulator module was developed and utilized to measure relative phases in pulsed high RF power operation. PLC units were developed for mechanical control of the phase shifters. Initial low/high power measurements were made using LabVIEW. An operation algorithm has been implemented into EPICS control for the cryomodule test stand.

Lee, Sung-Woo [ORNL] [ORNL; Kang, Yoon W [ORNL] [ORNL; Broyles, Michael R [ORNL] [ORNL; Crofford, Mark T [ORNL] [ORNL; Geng, Xiaosong [ORNL] [ORNL; Kim, Sang-Ho [ORNL] [ORNL; Phibbs, Curtis L [ORNL] [ORNL; Strong, William Herb [ORNL] [ORNL; Peglow, Robert C [ORNL] [ORNL; Vassioutchenko, Alexandre V [ORNL] [ORNL

2012-01-01T23:59:59.000Z

215

WARP: A modular wind power system for distributed electric utility application  

SciTech Connect (OSTI)

Steady development of wind turbine technology, and the accumulation of wind farm operating experience, have resulted in the emergence of wind power as a potentially attractive source of electricity for utilities. Since wind turbines are inherently modular, with medium-sized units typically in the range of a few hundred kilowatts each, they lend themselves well to distributed generation service. A patented wind power technology, the Toroidal Accelerator Rotor Platform (TARP) Windframe, forms the basis for a proposed network-distributed, wind power plant combining electric generation and transmission. While heavily building on proven wind turbine technology, this system is projected to surpass traditional configuration windmills through a unique distribution/transmission combination, superior performance, user-friendly operation and maintenance, and high availability and reliability. Furthermore, its environmental benefits include little new land requirements, relatively attractive appearance, lower noise and EMI/TV interference, and reduced avian (bird) mortality potential. Its cost of energy is projected to be very competitive, in the range of from approximately 2{cents}/kWh to 5{cents}/kWh, depending on the wind resource.

Weisbrich, A.L. [ENECO, West Simsbury, CT (United States)] [ENECO, West Simsbury, CT (United States); Ostrow, S.L.; Padalino, J.P. [Raytheon Engineers and Constructors, New York, NY (United States)] [Raytheon Engineers and Constructors, New York, NY (United States)

1996-07-01T23:59:59.000Z

216

Control Strategies for Distributed Energy Resources to Maximize the Use of Wind Power in Rural Microgrids  

SciTech Connect (OSTI)

The focus of this paper is to design control strategies for distributed energy resources (DERs) to maximize the use of wind power in a rural microgrid. In such a system, it may be economical to harness wind power to reduce the consumption of fossil fuels for electricity production. In this work, we develop control strategies for DERs, including diesel generators, energy storage and demand response, to achieve high penetration of wind energy in a rural microgrid. Combinations of centralized (direct control) and decentralized (autonomous response) control strategies are investigated. Detailed dynamic models for a rural microgrid are built to conduct simulations. The system response to large disturbances and frequency regulation are tested. It is shown that optimal control coordination of DERs can be achieved to maintain system frequency while maximizing wind power usage and reducing the wear and tear on fossil fueled generators.

Lu, Shuai; Elizondo, Marcelo A.; Samaan, Nader A.; Kalsi, Karanjit; Mayhorn, Ebony T.; Diao, Ruisheng; Jin, Chunlian; Zhang, Yu

2011-10-10T23:59:59.000Z

217

Estimating the Spatial Distribution of Population without Power during Extreme Weather Events  

SciTech Connect (OSTI)

One challenge in emergency preparedness and response during extreme weather events such as hurricanes and ice storms is estimating how many people may be without power and how long they could be without power. In this presentation, we will discuss a method for estimating the spatial distribution of people without power during extreme weather events. The method is based on a directional nearest-neighbor approach in which grid cells representing substation locations acquire other grid cells representing customers/population demand with respect to the capacity of each substation. We also present a method for estimating restoration time in case of an outage. The application of these methods during the 2008 hurricane season will also be discussed.

Omitaomu, Olufemi A [ORNL; Fernandez, Steven J [ORNL; Bhaduri, Budhendra L [ORNL

2010-01-01T23:59:59.000Z

218

Using Distributed Energy Resources to Supply Reactive Power for Dynamic Voltage Regulation  

SciTech Connect (OSTI)

Abstract Distributed energy (DE) resources are power sources located near load centers and equipped with power electronics converters to interface with the grid, therefore it is feasible for DE to provide reactive power (along with active power) locally for dynamic voltage regulation. In this paper, a synchronous condenser and a DE source with an inverter interface are implemented in parallel in a distribution system to regulate the local voltage. Developed voltage control schemes for the inverter and the synchronous condenser are presented. Experimental results show that both the inverter and the synchronous condenser can regulate the local voltage instantaneously although the dynamic response of the inverter is much faster than the synchronous condenser. In a system with multiple DEs performing local voltage regulation, the interaction of multiple DE at different locations under different load levels may have an impact to the control parameter setting for each individual DE control system. Future research is needed to find out the interaction of DEs to identify the optimal control parameter settings with the consideration of many factors such as system configuration, load variation, and so on

Xu, Yan [ORNL; Li, Fangxing [ORNL; Li, Huijuan [University of Tennessee, Knoxville (UTK); Rizy, D Tom [ORNL; Kueck, John D [ORNL

2008-01-01T23:59:59.000Z

219

The Impact of Distributed Generation on Power Transmission Grid Dynamics D. E. Newman B. A. Carreras M. Kirchner I. Dobson  

E-Print Network [OSTI]

distributed generation if not done carefully. 1. Introduction With the increased utilization of local, oftenThe Impact of Distributed Generation on Power Transmission Grid Dynamics D. E. Newman B. A@engr.wisc.edu Abstract In this paper we investigate the impact of the introduction of distributed generation

Dobson, Ian

220

System Integration of Distributed Power for Complete Building Systems: Phase 1 Report  

SciTech Connect (OSTI)

This report describes NiSource Energy Technologies Inc.'s base year of a planned 3-year effort to advance distributed power development, deployment, and integration. Its long-term goal is to design ways to extend distributed generation into the physical design and controls of buildings. NET worked to meet this goal through advances in the implementation and control of CHP systems in end-user environments and a further understanding of electric interconnection and siting issues. Important results from the first year were a survey of the state of the art of interconnection issues associated with distributed generation, a survey of the local zoning requirements for the NiSource service territory, and the acquisition of data about the operation, reliability, interconnection, and performance of CHP systems and components of two test sites.

Kramer, R.

2003-12-01T23:59:59.000Z

Note: This page contains sample records for the topic "intelligent distributed power" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


221

Final Technical Report Power through Policy: "Best Practices" for Cost-Effective Distributed Wind  

SciTech Connect (OSTI)

Power through Policy: 'Best Practices' for Cost-Effective Distributed Wind is a U.S. Department of Energy (DOE)-funded project to identify distributed wind technology policy best practices and to help policymakers, utilities, advocates, and consumers examine their effectiveness using a pro forma model. Incorporating a customized feed from the Database of State Incentives for Renewables and Efficiency (DSIRE), the Web-based Distributed Wind Policy Comparison Tool (Policy Tool) is designed to assist state, local, and utility officials in understanding the financial impacts of different policy options to help reduce the cost of distributed wind technologies. The project's final products include the Distributed Wind Policy Comparison Tool, found at www.windpolicytool.org, and its accompanying documentation: Distributed Wind Policy Comparison Tool Guidebook: User Instructions, Assumptions, and Case Studies. With only two initial user inputs required, the Policy Tool allows users to adjust and test a wide range of policy-related variables through a user-friendly dashboard interface with slider bars. The Policy Tool is populated with a variety of financial variables, including turbine costs, electricity rates, policies, and financial incentives; economic variables including discount and escalation rates; as well as technical variables that impact electricity production, such as turbine power curves and wind speed. The Policy Tool allows users to change many of the variables, including the policies, to gauge the expected impacts that various policy combinations could have on the cost of energy (COE), net present value (NPV), internal rate of return (IRR), and the simple payback of distributed wind projects ranging in size from 2.4 kilowatts (kW) to 100 kW. The project conducted case studies to demonstrate how the Policy Tool can provide insights into 'what if' scenarios and also allow the current status of incentives to be examined or defended when necessary. The ranking of distributed wind state policy and economic environments summarized in the attached report, based on the Policy Tool's default COE results, highlights favorable market opportunities for distributed wind growth as well as market conditions ripe for improvement. Best practices for distributed wind state policies are identified through an evaluation of their effect on improving the bottom line of project investments. The case studies and state rankings were based on incentives, power curves, and turbine pricing as of 2010, and may not match the current results from the Policy Tool. The Policy Tool can be used to evaluate the ways that a variety of federal and state policies and incentives impact the economics of distributed wind (and subsequently its expected market growth). It also allows policymakers to determine the impact of policy options, addressing market challenges identified in the U.S. DOE's '20% Wind Energy by 2030' report and helping to meet COE targets. In providing a simple and easy-to-use policy comparison tool that estimates financial performance, the Policy Tool and guidebook are expected to enhance market expansion by the small wind industry by increasing and refining the understanding of distributed wind costs, policy best practices, and key market opportunities in all 50 states. This comprehensive overview and customized software to quickly calculate and compare policy scenarios represent a fundamental step in allowing policymakers to see how their decisions impact the bottom line for distributed wind consumers, while estimating the relative advantages of different options available in their policy toolboxes. Interested stakeholders have suggested numerous ways to enhance and expand the initial effort to develop an even more user-friendly Policy Tool and guidebook, including the enhancement and expansion of the current tool, and conducting further analysis. The report and the project's Guidebook include further details on possible next steps. NREL Report No. BK-5500-53127; DOE/GO-102011-3453.

Rhoads-Weaver, Heather; Gagne, Matthew; Sahl, Kurt; Orrell, Alice; Banks, Jennifer

2012-02-28T23:59:59.000Z

222

Distributed energy resources customer adoption modeling with combined heat and power applications  

SciTech Connect (OSTI)

In this report, an economic model of customer adoption of distributed energy resources (DER) is developed. It covers progress on the DER project for the California Energy Commission (CEC) at Berkeley Lab during the period July 2001 through Dec 2002 in the Consortium for Electric Reliability Technology Solutions (CERTS) Distributed Energy Resources Integration (DERI) project. CERTS has developed a specific paradigm of distributed energy deployment, the CERTS Microgrid (as described in Lasseter et al. 2002). The primary goal of CERTS distributed generation research is to solve the technical problems required to make the CERTS Microgrid a viable technology, and Berkeley Lab's contribution is to direct the technical research proceeding at CERTS partner sites towards the most productive engineering problems. The work reported herein is somewhat more widely applicable, so it will be described within the context of a generic microgrid (mGrid). Current work focuses on the implementation of combined heat and power (CHP) capability. A mGrid as generically defined for this work is a semiautonomous grouping of generating sources and end-use electrical loads and heat sinks that share heat and power. Equipment is clustered and operated for the benefit of its owners. Although it can function independently of the traditional power system, or macrogrid, the mGrid is usually interconnected and exchanges energy and possibly ancillary services with the macrogrid. In contrast to the traditional centralized paradigm, the design, implementation, operation, and expansion of the mGrid is meant to optimize the overall energy system requirements of participating customers rather than the objectives and requirements of the macrogrid.

Siddiqui, Afzal S.; Firestone, Ryan M.; Ghosh, Srijay; Stadler, Michael; Edwards, Jennifer L.; Marnay, Chris

2003-07-01T23:59:59.000Z

223

Intelligent Mobile Agents for Information Retrieval and Knowledge Discovery from  

E-Print Network [OSTI]

or software agents for intelligent, selective, and context­sensitive data gathering and data assimilation assimilation, and knowl­ edge discovery using heterogeneous, distributed data and knowledge sources. (See [1Intelligent Mobile Agents for Information Retrieval and Knowledge Discovery from Distributed Data

Honavar, Vasant

224

A Preliminary Analysis of the Economics of Using Distributed Energy as a Source of Reactive Power Supply  

SciTech Connect (OSTI)

A major blackout affecting 50 million people in the Northeast United States, where insufficient reactive power supply was an issue, and an increased number of filings made to the Federal Energy Regulatory Commission by generators for reactive power has led to a closer look at reactive power supply and compensation. The Northeastern Massachusetts region is one such area where there is an insufficiency in reactive power compensation. Distributed energy due to its close proximity to loads seems to be a viable option for solving any present or future reactive power shortage problems. Industry experts believe that supplying reactive power from synchronized distributed energy sources can be 2 to 3 times more effective than providing reactive support in bulk from longer distances at the transmission or generation level. Several technology options are available to supply reactive power from distributed energy sources such as small generators, synchronous condensers, fuel cells or microturbines. In addition, simple payback analysis indicates that investments in DG to provide reactive power can be recouped in less than 5 years when capacity payments for providing reactive power are larger than $5,000/kVAR and the DG capital and installation costs are lower than $30/kVAR. However, the current institutional arrangements for reactive power compensation present a significant barrier to wider adoption of distributed energy as a source of reactive power. Furthermore, there is a significant difference between how generators and transmission owners/providers are compensated for reactive power supplied. The situation for distributed energy sources is even more difficult, as there are no arrangements to compensate independent DE owners interested in supplying reactive power to the grid other than those for very large IPPs. There are comparable functionality barriers as well, as these smaller devices do not have the control and communications requirements necessary for automatic operation in response to local or system operators. There are no known distributed energy asset owners currently receiving compensation for reactive power supply or capability. However, there are some cases where small generators on the generation and transmission side of electricity supply have been tested and have installed the capability to be dispatched for reactive power support. Several concerns need to be met for distributed energy to become widely integrated as a reactive power resource. The overall costs of retrofitting distributed energy devices to absorb or produce reactive power need to be reduced. There needs to be a mechanism in place for ISOs/RTOs to procure reactive power from the customer side of the meter where distributed energy resides. Novel compensation methods should be introduced to encourage the dispatch of dynamic resources close to areas with critical voltage issues. The next phase of this research will investigate in detail how different options of reactive power producing DE can compare both economically and functionally with shunt capacitor banks. Shunt capacitor banks, which are typically used for compensating reactive power consumption of loads on distribution systems, are very commonly used because they are very cost effective in terms of capital costs. However, capacitor banks can require extensive maintenance especially due to their exposure to lightning at the top of utility poles. Also, it can be problematic to find failed capacitor banks and their maintenance can be expensive, requiring crews and bucket trucks which often requires total replacement. Another shortcoming of capacitor banks is the fact that they usually have one size at a location (typically sized as 300, 600, 900 or 1200kVAr) and thus don't have variable range as do reactive power producing DE, and cannot respond to dynamic reactive power needs. Additional future work is to find a detailed methodology to identify the hidden benefit of DE for providing reactive power and the best way to allocate the benefit among customers, utilities, transmission companies or RTOs.

Li, Fangxing [ORNL; Kueck, John D [ORNL; Rizy, D Tom [ORNL; King, Thomas F [ORNL

2006-04-01T23:59:59.000Z

225

Assessing business models arising from the integration of distributed energy systems in the Chilean electric power system  

E-Print Network [OSTI]

Electric power systems are more than just networks of generation, transmission and distribution assets. They are socio-technical systems, involving regulation, markets and technology availability. Presently, the dynamic ...

Le Dantec, Jorge I. (Jorge Ignacio)

2014-01-01T23:59:59.000Z

226

A system for the tomographic determination of the power distribution in electron beams  

SciTech Connect (OSTI)

A computer tomographic technique was developed to measure the current density distribution in electron beams. This technique uses electron-beam profile data acquired from a modified Faraday cup to create an image of the current density in high power beams. The beam profile data is acquired by sweeping the beam across a narrow slit. The beam current, integrated along the axis of the slit, is captured by a Faraday cup and its waveform is recorded by a digitizing storage oscilloscope. The slit is repeatedly rotated and beam current waveforms are recorded at regularly spaced angles. A 2-dimensional image of the current density distribution in the beam is reconstructed from this information, providing quantitative information about the beam focus and alignment. This paper discusses the techniques used to record beam profiles, discusses the computer tomographic reconstruction of beams, and presents an example of how this method can be used to control beam focus in an unbiased way. 7 refs.

Teruya, A.; Elmer, J.; O`Brien, D.

1991-12-06T23:59:59.000Z

227

System for tomographic determination of the power distribution in electron beams  

DOE Patents [OSTI]

A tomographic technique is disclosed for measuring the current density distribution in electron beams using electron beam profile data acquired from a modified Faraday cup to create an image of the current density in high and low power beams. The modified Faraday cup includes a narrow slit and is rotated by a stepper motor and can be moved in the x, y and z directions. The beam is swept across the slit perpendicular thereto and controlled by deflection coils, and the slit rotated such that waveforms are taken every few degrees form 0[degree] to 360[degree] and the waveforms are recorded by a digitizing storage oscilloscope. Two-dimensional and three-dimensional images of the current density distribution in the beam can be reconstructed by computer tomography from this information, providing quantitative information about the beam focus and alignment. 12 figures.

Elmer, J.W.; Teruya, A.T.; O'Brien, D.W.

1995-01-17T23:59:59.000Z

228

System for tomographic determination of the power distribution in electron beams  

DOE Patents [OSTI]

A tomographic technique for measuring the current density distribution in electron beams using electron beam profile data acquired from a modified Faraday cup to create an image of the current density in high and low power beams. The modified Faraday cup includes a narrow slit and is rotated by a stepper motor and can be moved in the x, y and z directions. The beam is swept across the slit perpendicular thereto and controlled by deflection coils, and the slit rotated such that waveforms are taken every few degrees form 0.degree. to 360.degree. and the waveforms are recorded by a digitizing storage oscilloscope. Two-dimensional and three-dimensional images of the current density distribution in the beam can be reconstructed by computer tomography from this information, providing quantitative information about the beam focus and alignment.

Elmer, John W. (Pleasanton, CA); Teruya, Alan T. (Livermore, CA); O'Brien, Dennis W. (Livermore, CA)

1995-01-01T23:59:59.000Z

229

System for tomographic determination of the power distribution in electron beams  

DOE Patents [OSTI]

A tomographic technique for measuring the current density distribution in electron beams using electron beam profile data acquired from a modified Faraday cup to create an image of the current density in high and low power beams. The modified Faraday cup includes a narrow slit and is rotated by a stepper motor and can be moved in the x, y and z directions. The beam is swept across the slit perpendicular thereto and controlled by deflection coils, and the slit rotated such that waveforms are taken every few degrees form 0{degree} to 360{degree} and the waveforms are recorded by a digitizing storage oscilloscope. Two-dimensional and three-dimensional images of the current density distribution in the beam can be reconstructed by computer tomography from this information, providing quantitative information about the beam focus and alignment. 12 figs.

Elmer, J.W.; Teruya, A.T.; O`Brien, D.W.

1995-11-21T23:59:59.000Z

230

Investigation of the delay time distribution of high power microwave surface flashover  

SciTech Connect (OSTI)

Characterizing and modeling the statistics associated with the initiation of gas breakdown has proven to be difficult due to a variety of rather unexplored phenomena involved. Experimental conditions for high power microwave window breakdown for pressures on the order of 100 to several 100 torr are complex: there are little to no naturally occurring free electrons in the breakdown region. The initial electron generation rate, from an external source, for example, is time dependent and so is the charge carrier amplification in the increasing radio frequency (RF) field amplitude with a rise time of 50 ns, which can be on the same order as the breakdown delay time. The probability of reaching a critical electron density within a given time period is composed of the statistical waiting time for the appearance of initiating electrons in the high-field region and the build-up of an avalanche with an inherent statistical distribution of the electron number. High power microwave breakdown and its delay time is of critical importance, since it limits the transmission through necessary windows, especially for high power, high altitude, low pressure applications. The delay time distribution of pulsed high power microwave surface flashover has been examined for nitrogen and argon as test gases for pressures ranging from 60 to 400 torr, with and without external UV illumination. A model has been developed for predicting the discharge delay time for these conditions. The results provide indications that field induced electron generation, other than standard field emission, plays a dominant role, which might be valid for other gas discharge types as well.

Foster, J.; Krompholz, H.; Neuber, A. [Department of Electrical and Computer Engineering, Center for Pulsed Power and Power Electronics, Texas Tech University, Lubbock, Texas 79409-3102 (United States)

2011-01-15T23:59:59.000Z

231

Method for operating a nuclear reactor to accommodate load follow while maintaining a substantially constant axial power distribution  

SciTech Connect (OSTI)

This invention provides a method of operating a nuclear reactor having a negative reactivity moderator temperature coefficient with the object of maintaining a uniform and symmetric xenon distribution above and below substantially the center of the core over a substantial axial length of the core during normal reactor operation including load follow. In one embodiment variations in the xenon distribution are controlled by maintaining a substantially symmetric axial power distribution. The axial offset, which is employed as an indication of the axial power distribution, is maintained substantially equal to a target value , which is modified periodically to account for core burnup. A neutron absorbing element within the core coolant, or moderator, is employed to assist control of reactivity changes associated with changes in power, with the full-length control rods mainly employed to adjust variations in the axial power distribution while the part-length rodsremain completely withdrawn from the fuel region of the core. Rapid changes in reactivity are implemented, to accommodate corresponding changes in load, by a controlled reduction of the core coolant temperature. Thus, active core coolant temperature control is employed to control the reactivity of the core during load follow operation and effectively increase the spinning reserve capability of a power plant without altering the axial power distribution.

Mueller, N.P.; Rossi, C.E.; Scherpereel, L.R.

1980-09-16T23:59:59.000Z

232

Power Electronics for Distributed Energy Systems and Transmission and Distribution Applications: Assessing the Technical Needs for Utility Applications  

SciTech Connect (OSTI)

Power electronics can provide utilities the ability to more effectively deliver power to their customers while providing increased reliability to the bulk power system. In general, power electronics is the process of using semiconductor switching devices to control and convert electrical power flow from one form to another to meet a specific need. These conversion techniques have revolutionized modern life by streamlining manufacturing processes, increasing product efficiencies, and increasing the quality of life by enhancing many modern conveniences such as computers, and they can help to improve the delivery of reliable power from utilities. This report summarizes the technical challenges associated with utilizing power electronics devices across the entire spectrum from applications to manufacturing and materials development, and it provides recommendations for research and development (R&D) needs for power electronics systems in which the U.S. Department of Energy (DOE) could make a substantial impact toward improving the reliability of the bulk power system.

Tolbert, L.M.

2005-12-21T23:59:59.000Z

233

PEV-based P-Q Control in Line Distribution Networks with High Requirement for Reactive Power Compensation  

E-Print Network [OSTI]

impact of distribution level wind turbines. Our design is based on a nonlinear power flow analysis of wind turbines to support their induction load to avoid generator voltage excursion. Note that, although-sized wind turbines in large wind farms [1], the smaller wind turbines that are used at the distribution

Huang, Jianwei

234

IEEE TRANSACTIONS ON POWER SYSTEMS, VOL. 16, NO. 1, FEBRUARY 2001 111 Reliability and Costs Optimization for Distribution  

E-Print Network [OSTI]

IEEE TRANSACTIONS ON POWER SYSTEMS, VOL. 16, NO. 1, FEBRUARY 2001 111 Reliability and Costs methodology, using an evolutionary algorithm, for finding out the best distribution network reliability while been used. The proposed methodology has been tested intensively for distribution systems

Coello, Carlos A. Coello

235

RTDS-Based Design and Simulation of Distributed P-Q Power Resources in Smart Grid  

E-Print Network [OSTI]

with energy storage in wind power generation, in Proc. ofside management for wind power integration in microgridstorage coordinated with wind power under electricity market

Taylor, Zachariah David

2014-01-01T23:59:59.000Z

236

Distributed energy resources customer adoption modeling with combined heat and power applications  

E-Print Network [OSTI]

Modeling with Combined Heat and Power Applications SCE, S.Modeling with Combined Heat and Power Applications FigureModeling with Combined Heat and Power Applications Figure

Siddiqui, Afzal S.; Firestone, Ryan M.; Ghosh, Srijay; Stadler, Michael; Edwards, Jennifer L.; Marnay, Chris

2003-01-01T23:59:59.000Z

237

A Better Steam Engine: Designing a Distributed Concentrating Solar Combined Heat and Power System  

E-Print Network [OSTI]

combined heat and power systems. ASME Conference Proceedingsfor combined heat and power applications. ASME ConferenceRankine combined heat and power technology. ASME Conference

Norwood, Zachary Mills

2011-01-01T23:59:59.000Z

238

Intelligent Extruder  

SciTech Connect (OSTI)

''Intelligent Extruder'' described in this report is a software system and associated support services for monitoring and control of compounding extruders to improve material quality, reduce waste and energy use, with minimal addition of new sensors or changes to the factory floor system components. Emphasis is on process improvements to the mixing, melting and de-volatilization of base resins, fillers, pigments, fire retardants and other additives in the :finishing'' stage of high value added engineering polymer materials. While GE Plastics materials were used for experimental studies throughout the program, the concepts and principles are broadly applicable to other manufacturers materials. The project involved a joint collaboration among GE Global Research, GE Industrial Systems and Coperion Werner & Pleiderer, USA, a major manufacturer of compounding equipment. Scope of the program included development of a algorithms for monitoring process material viscosity without rheological sensors or generating waste streams, a novel detection scheme for rapid detection of process upsets and an adaptive feedback control system to compensate for process upsets where at line adjustments are feasible. Software algorithms were implemented and tested on a laboratory scale extruder (50 lb/hr) at GE Global Research and data from a production scale system (2000 lb/hr) at GE Plastics was used to validate the monitoring and detection software. Although not evaluated experimentally, a new concept for extruder process monitoring through estimation of high frequency drive torque without strain gauges is developed and demonstrated in simulation. A plan to commercialize the software system is outlined, but commercialization has not been completed.

AlperEker; Mark Giammattia; Paul Houpt; Aditya Kumar; Oscar Montero; Minesh Shah; Norberto Silvi; Timothy Cribbs

2003-04-24T23:59:59.000Z

239

Partial Shade Evaluation of Distributed Power Electronics for Photovoltaic Systems: Preprint  

SciTech Connect (OSTI)

Site survey data for several residential installations are provided, showing the extent and frequency of shade throughout the year. This background information is used to design a representative shading test that is conducted on two side-by-side 8-kW photovoltaic (PV) installations. One system is equipped with a standard string inverter, while the other is equipped with microinverters on each solar panel. Partial shade is applied to both systems in a comprehensive range of shading conditions, simulating one of three shade extents. Under light shading conditions, the microinverter system produced the equivalent of 4% annual performance improvement, relative to the string inverter system. Under moderate shading conditions, the microinverter system outperformed the string inverter system by 8%, and under heavy shading the microinverter increased relative performance by 12%. In all three cases, the percentage of performance loss that is recovered by the use of distributed power electronics is 40%-50%. Additionally, it was found that certain shading conditions can lead to additional losses in string inverters due to peak-power tracking errors and voltage limitations.

Deline, C.; Meydbrav, J.; Donovan, M.

2012-06-01T23:59:59.000Z

240

Automated Data Collection for Determining Statistical Distributions of Module Power Undergoing Potential-Induced Degradation: Preprint  

SciTech Connect (OSTI)

We propose a method for increasing the frequency of data collection and reducing the time and cost of accelerated lifetime testing of photovoltaic modules undergoing potential-induced degradation (PID). This consists of in-situ measurements of dark current-voltage curves of the modules at elevated stress temperature, their use to determine the maximum power at 25 degrees C standard test conditions (STC), and distribution statistics for determining degradation rates as a function of stress level. The semi-continuous data obtained by this method clearly show degradation curves of the maximum power, including an incubation phase, rates and extent of degradation, precise time to failure, and partial recovery. Stress tests were performed on crystalline silicon modules at 85% relative humidity and 60 degrees C, 72 degrees C, and 85 degrees C. Activation energy for the mean time to failure (1% relative) of 0.85 eV was determined and a mean time to failure of 8,000 h at 25 degrees C and 85% relative humidity is predicted. No clear trend in maximum degradation as a function of stress temperature was observed.

Hacke, P.; Spataru, S.

2014-08-01T23:59:59.000Z

Note: This page contains sample records for the topic "intelligent distributed power" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


241

A majorization-minimization approach to design of power distribution networks  

SciTech Connect (OSTI)

We consider optimization approaches to design cost-effective electrical networks for power distribution. This involves a trade-off between minimizing the power loss due to resistive heating of the lines and minimizing the construction cost (modeled by a linear cost in the number of lines plus a linear cost on the conductance of each line). We begin with a convex optimization method based on the paper 'Minimizing Effective Resistance of a Graph' [Ghosh, Boyd & Saberi]. However, this does not address the Alternating Current (AC) realm and the combinatorial aspect of adding/removing lines of the network. Hence, we consider a non-convex continuation method that imposes a concave cost of the conductance of each line thereby favoring sparser solutions. By varying a parameter of this penalty we extrapolate from the convex problem (with non-sparse solutions) to the combinatorial problem (with sparse solutions). This is used as a heuristic to find good solutions (local minima) of the non-convex problem. To perform the necessary non-convex optimization steps, we use the majorization-minimization algorithm that performs a sequence of convex optimizations obtained by iteratively linearizing the concave part of the objective. A number of examples are presented which suggest that the overall method is a good heuristic for network design. We also consider how to obtain sparse networks that are still robust against failures of lines and/or generators.

Johnson, Jason K [Los Alamos National Laboratory; Chertkov, Michael [Los Alamos National Laboratory

2010-01-01T23:59:59.000Z

242

Enhanced modified faraday cup for determination of power density distribution of electron beams  

DOE Patents [OSTI]

An improved tomographic technique for determining the power distribution of an electron or ion beam using electron beam profile data acquired by an enhanced modified Faraday cup to create an image of the current density in high and low power ion or electron beams. A refractory metal disk with a number of radially extending slits, one slit being about twice the width of the other slits, is placed above a Faraday cup. The electron or ion beam is swept in a circular pattern so that its path crosses each slit in a perpendicular manner, thus acquiring all the data needed for a reconstruction in one circular sweep. The enlarged slit enables orientation of the beam profile with respect to the coordinates of the welding chamber. A second disk having slits therein is positioned below the first slit disk and inside of the Faraday cup and provides a shield to eliminate the majority of secondary electrons and ions from leaving the Faraday cup. Also, a ring is located below the second slit disk to help minimize the amount of secondary electrons and ions from being produced. In addition, a beam trap is located in the Faraday cup to provide even more containment of the electron or ion beam when full beam current is being examined through the center hole of the modified Faraday cup.

Elmer, John W. (Danville, CA); Teruya, Alan T. (Livermore, CA)

2001-01-01T23:59:59.000Z

243

What can we learn from higher multipole power spectra of galaxy distribution in redshift space?  

E-Print Network [OSTI]

We investigate a potential of the higher multipole power spectra of the galaxy distribution in redshift space as a cosmological probe on halo scales. Based on the fact that a halo model explains well the multipole power spectra of the luminous red galaxy (LRG) sample in the Sloan Digital Sky Survey (SDSS), we focus our investigation on the random motions of the satellite LRGs that determine the higher multipole spectra at large wavenumbers. We show that our theoretical model fits the higher multipole spectra at large wave numbers from N-body numerical simulations and we apply these results for testing the gravity theory and the velocity structure of galaxies on the halo scales. In this analysis, we use the multipole spectra P_4(k) and P_6(k) on the small scales of the range of wavenumber 0.3

Kanemaru, Tatsuro; Huetsi, Gert; Terukina, Ayumu; Yamamoto, Kazuhiro

2015-01-01T23:59:59.000Z

244

A Better Steam Engine: Designing a Distributed Concentrating Solar Combined Heat and Power System  

E-Print Network [OSTI]

solar CHP system supplying arbitrary heat and power outputs.e Electrical power output of system Q Solar CHP to PV yearlysolar Rankine CHP system, sized equally in terms of peak power output,

Norwood, Zachary Mills

2011-01-01T23:59:59.000Z

245

Fast and Accurate Fourier Series Solutions to Gravitational Lensing by A General Family of Two Power-Law Mass Distributions  

E-Print Network [OSTI]

Fourier series solutions to the deflection and magnification by a family of three-dimensional cusped two power-law ellipsoidal mass distributions are presented. The cusped two power-law ellipsoidal mass distributions are characterized by inner and outer power-law radial indices and a break (or, transition) radius. The model family includes mass models mimicking Jaffe, Hernquist, and $\\eta$ models and dark matter halo profiles from numerical simulations. The Fourier series solutions for the cusped two power-law mass distributions are relatively simple, and allow a very fast calculation even for a chosen small fractional calculational error (e.g. $10^{-5}$). These results will be particularly useful for studying lensed systems which provide a number of accurate lensing constraints and for systematic analyses of large numbers of lenses. Subroutines employing these results for the two power-law model and the results by Chae, Khersonsky, & Turnshek for the generalized single power-law mass model are made publicly available.

Kyu-Hyun Chae

2001-12-10T23:59:59.000Z

246

Improving the reliability of wind power through spatially distributed wind generation.  

E-Print Network [OSTI]

??Wind power is a fast-growing, sustainable energy source. However, the problem of wind variability as it relates to wind power reliability is an obstacle to (more)

Fisher, Samuel Martin

2012-01-01T23:59:59.000Z

247

Power network analysis and optimization  

E-Print Network [OSTI]

hierarchical power distribution design with a power tree [T. Roy, Power distribution system design methodology andChen, 3D Power Distribution Network Co-design for Nanascale

Zhang, Wanping

2009-01-01T23:59:59.000Z

248

Space-based solar power generation using a distributed network of satellites and methods for efficient space power transmission  

E-Print Network [OSTI]

Space-based solar power (SSP) generation is being touted as a solution to our ever-increasing energy consumption and dependence on fossil fuels. Satellites in Earth's orbit can capture solar energy through photovoltaic ...

McLinko, Ryan M.

249

GREENHOUSE GAS REDUCTION POTENTIAL WITH COMBINED HEAT AND POWER WITH DISTRIBUTED GENERATION PRIME MOVERS - ASME 2012  

SciTech Connect (OSTI)

Pending or recently enacted greenhouse gas regulations and mandates are leading to the need for current and feasible GHG reduction solutions including combined heat and power (CHP). Distributed generation using advanced reciprocating engines, gas turbines, microturbines and fuel cells has been shown to reduce greenhouse gases (GHG) compared to the U.S. electrical generation mix due to the use of natural gas and high electrical generation efficiencies of these prime movers. Many of these prime movers are also well suited for use in CHP systems which recover heat generated during combustion or energy conversion. CHP increases the total efficiency of the prime mover by recovering waste heat for generating electricity, replacing process steam, hot water for buildings or even cooling via absorption chilling. The increased efficiency of CHP systems further reduces GHG emissions compared to systems which do not recover waste thermal energy. Current GHG mandates within the U.S Federal sector and looming GHG legislation for states puts an emphasis on understanding the GHG reduction potential of such systems. This study compares the GHG savings from various state-of-the- art prime movers. GHG reductions from commercially available prime movers in the 1-5 MW class including, various industrial fuel cells, large and small gas turbines, micro turbines and reciprocating gas engines with and without CHP are compared to centralized electricity generation including the U.S. mix and the best available technology with natural gas combined cycle power plants. The findings show significant GHG saving potential with the use of CHP. Also provided is an exploration of the accounting methodology for GHG reductions with CHP and the sensitivity of such analyses to electrical generation efficiency, emissions factors and most importantly recoverable heat and thermal recovery efficiency from the CHP system.

Curran, Scott [ORNL; Theiss, Timothy J [ORNL; Bunce, Michael [ORNL

2012-01-01T23:59:59.000Z

250

Social Intelligence: Next Generation Business Intelligence  

SciTech Connect (OSTI)

In order for Business Intelligence to truly move beyond where it is today, a shift in approach must occur. Currently, much of what is accomplished in the realm of Business Intelligence relies on reports and dashboards to summarize and deliver information to end users. As we move into the future, we need to get beyond these reports and dashboards to a point where we break out the individual metrics that are embedded in these reports and interact with these components independently. Breaking these pieces of information out of the confines of reports and dashboards will allow them to be dynamically assembled for delivery in the way that makes most sense to each consumer. With this change in ideology, Business Intelligence will move from the concept of collections of objects, or reports and dashboards, to individual objects, or information components. The Next Generation Business Intelligence suite will translate concepts popularized in Facebook, Flickr, and Digg into enterprise worthy communication vehicles.

Troy Hiltbrand

2010-09-01T23:59:59.000Z

251

NiSource Energy Technologies Inc.: System Integration of Distributed Power for Complete Building Systems  

SciTech Connect (OSTI)

Summarizes NiSource Energy Technologies' work under contract to DOE's Distribution and Interconnection R&D. Includes studying distributed generation interconnection issues and CHP system performance.

Not Available

2003-10-01T23:59:59.000Z

252

A Better Steam Engine: Designing a Distributed Concentrating Solar Combined Heat and Power System  

E-Print Network [OSTI]

power to local residences or businesses. Although it may seem that the decreased efficiency of solar-

Norwood, Zachary Mills

2011-01-01T23:59:59.000Z

253

Evaluating Machine Learning for Improving Power Grid Reliability Leon Wu leon@cs.columbia.edu  

E-Print Network [OSTI]

as the electrical grid morphs into the "smart grid" will require innovations in how we assess the state of the grid and intelligent electricity distribution and trans- mission system, i.e., power grid. The smart grid has been (Force, 2010). Without the smart grid, many emerging clean energy technologies such as electric ve

Rudin, Cynthia

254

Department of Energy refurbish power supply/distribution system: Phase 2, Y-12 Plant, Oak Ridge. Project status report No. 40, December 1--31, 1994  

SciTech Connect (OSTI)

A status report on the refurbishing of the power supply and distribution system for the Y-12 Plant is presented. A milestone schedule is included.

NONE

1994-12-31T23:59:59.000Z

255

Central power generation versus distributed generation e An air quality assessment in the South Coast Air Basin of California  

E-Print Network [OSTI]

Keywords: Distributed generation Central generation Air quality modeling Reactivity a b s t r a c by the widespread installation of many stationary power generators close to the point of electricity use within from which electricity must be transmitted to end users. However, increasing electricity demand

Dabdub, Donald

256

Analysis of volume distribution of power loss in ferrite cores M. LoBue, V. Loyau, and F. Mazaleyrat  

E-Print Network [OSTI]

Analysis of volume distribution of power loss in ferrite cores M. LoBue, V. Loyau, and F the section of ferrite cores under AC excitation. The technique is based on two distinct calorimetric methods the procedure to an industrial sample of Mn-Zn ferrite under controlled sinusoidal excitation with a peak

Boyer, Edmond

257

A 16 mm3 autonomous solar-powered sensor node with bi-directional optical communication for distributed sensor net-  

E-Print Network [OSTI]

Abstract A 16 mm3 autonomous solar-powered sensor node with bi- directional optical communication for distributed sensor net- works has been demonstrated. The device digitizes inte- grated sensor signals, a 2.6 mm2 SOI solar cell array, and a micromachined four-quadrant corner-cube retroreflector (CCR

Kahn, Joseph M.

258

Refurbish power supply/distribution system, Phase 2, Y-12 Plant, Oak Ridge. Progress status report number 51  

SciTech Connect (OSTI)

This is a report on the phase 2 of refurbishing power supply/distribution system at Y-12 Plant, Oak Ridge, TN. The report topics include accomplishments by work breakdown structure (WBS) identifier, identification of items issued and items received, past due items, items requested, a milestone schedule by WBS and including a drawing list showing percent complete, and conference summaries.

NONE

1995-11-30T23:59:59.000Z

259

Modeling the Power Distribution Network of a Virtual City and Studying the Impact of Fire on the Electrical Infrastructure  

E-Print Network [OSTI]

Simulink, based on the GIS layout of the power distribution network of Micropolis. It also proposes a method of quantifying the damage caused by fire to the electrical network by means of a parameter called the Load Loss Damage Index (LLDI). Finally...

Bagchi, Arijit

2009-11-17T23:59:59.000Z

260

Intelligent Spectrum Sensor Radio.  

E-Print Network [OSTI]

??A cognitive radio is a radio with built-in intelligence that makes it able to utilize the radio frequency spectrum more efficiently by adapting to the (more)

Mian, Omer

2008-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "intelligent distributed power" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


261

E-Print Network 3.0 - airborne intelligence surveillance Sample...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

for: airborne intelligence surveillance Page: << < 1 2 3 4 5 > >> 1 The Effects of Passive Coordination on Distributed Separation Assurance Summary: . For the airborne case,...

262

Features of adsorbed radioactive chemical elements and their isotopes distribution in iodine air filters AU-1500 at nuclear power plants  

E-Print Network [OSTI]

The main aim of research is to investigate the physical features of spatial distribution of the adsorbed radioactive chemical elements and their isotopes in the granular filtering medium in the iodine air filters of the type of AU1500 in the forced exhaust ventilation systems at the nuclear power plant. The gamma activation analysis method is applied to accurately characterize the distribution of the adsorbed radioactive chemical elements and their isotopes in the granular filtering medium in the AU1500 iodine air filter after its long term operation at the nuclear power plant. The typical spectrum of the detected chemical elements and their isotopes in the AU1500 iodine air filter, which was exposed to the bremsstrahlung gamma quantum irradiation, produced by the accelerating electrons in the tantalum target, are obtained. The spatial distributions of the detected chemical element 127I and some other chemical elements and their isotopes in the layer of absorber, which was made of the cylindrical coal granule...

Neklyudov, I M; Dikiy, N P; Ledenyov, O P; Lyashko, Yu V

2013-01-01T23:59:59.000Z

263

Vehicle-to-Grid Power: Battery, Hybrid, and Fuel Cell Vehicles as Resources for Distributed Electric Power in California  

E-Print Network [OSTI]

Battery cycle life (cycles) c Battery calendar life (years) Battery costin the battery during its life cycle in kWh, C B is cost ofBattery cycle life (cycles) Battery calendar life (years) Maximum electrical power output to motor (kW) Battery cost

Kempton, Willett; Tomic, Jasna; Letendre, Steven; Brooks, Alec; Lipman, Timothy

2001-01-01T23:59:59.000Z

264

Wireless Self-powered Visual and NDE Robotic Inspection System for Live Gas Distribution Mains  

SciTech Connect (OSTI)

Carnegie Mellon University (CMU) under contract from Department of Energy/National Energy Technology Laboratory (DoE/NETL) and co-funding from the Northeast Gas Association (NGA), has completed the overall system design of the next-generation Explorer-II (X-II) live gas main NDE and visual inspection robot platform. The design is based on the Explorer-I prototype which was built and field-tested under a prior (also DoE- and NGA co-funded) program, and served as the validation that self-powered robots under wireless control could access and navigate live natural gas distribution mains. The X-II system design ({approx}8 ft. and 66 lbs.) was heavily based on the X-I design, yet was substantially expanded to allow the addition of NDE sensor systems (while retaining its visual inspection capability), making it a modular system, and expanding its ability to operate at pressures up to 750 psig (high-pressure and unpiggable steel-pipe distribution mains). A new electronics architecture and on-board software kernel were added to again improve system performance. A locating sonde system was integrated to allow for absolute position-referencing during inspection (coupled with external differential GPS) and emergency-locating. The power system was upgraded to utilize lithium-based battery-cells for an increase in mission-time. The system architecture now relies on a dual set of end camera-modules to house the 32-bit processors (Single-Board Computer or SBC) as well as the imaging and wireless (off-board) and CAN-based (on-board) communication hardware and software systems (as well as the sonde-coil and -electronics). The drive-module (2 ea.) are still responsible for bracing (and centering) to drive in push/pull fashion the robot train into and through the pipes and obstacles. The steering modules and their arrangement, still allow the robot to configure itself to perform any-angle (up to 90 deg) turns in any orientation (incl. vertical), and enable the live launching and recovery of the system using custom fittings and a (to be developed) launch-chamber/-tube. The battery modules are used to power the system, by providing power to the robot's bus. The support modules perform the functions of centration for the rest of the train as well as odometry pickups using incremental encoding schemes. The electronics architecture is based on a distributed (8-bit) microprocessor architecture (at least 1 in ea. module) communicating to a (one of two) 32-bit SBC, which manages all video-processing, posture and motion control as well as CAN and wireless communications. The operator controls the entire system from an off-board (laptop) controller, which is in constant wireless communication with the robot train in the pipe. The sensor modules collect data and forward it to the robot operator computer (via the CAN-wireless communications chain), who then transfers it to a dedicated NDE data-storage and post-processing computer for further (real-time or off-line) analysis. CMU has fully designed every module in terms of the mechanical, electrical and software elements (architecture only). Substantial effort has gone into pre-prototyping to uncover mechanical, electrical and software issues for critical elements of the design. Design requirements for sensor-providers were also detailed and finalized and provided to them for inclusion in their designs. CMU is expecting to start 2006 with a detailed design effort for both mechanical and electrical components, followed by procurement and fabrication efforts in late winter/spring 2006. The assembly and integration efforts will occupy all of the spring and summer of 2006. Software development will also be a major effort in 2006, and will result in porting and debugging of code on the module- and train-levels in late summer and Fall of 2006. Final pipe mock-up testing is expected in late fall and early winter 2006 with an acceptance demonstration of the robot train (with a sensor-module mock-up) planned to DoE/NGA towards the end of 2006.

Susan Burkett; Hagen Schempf

2006-01-31T23:59:59.000Z

265

RTDS-Based Design and Simulation of Distributed P-Q Power Resources in Smart Grid  

E-Print Network [OSTI]

1.2 MW grid-connected solar panel at bus 8. The power outputis as in Figure 5.11 [104]. Solar Panel Power Injection (pu)The daily output of the solar panel during a cloudy day.

Taylor, Zachariah David

2014-01-01T23:59:59.000Z

266

Advanced Power Electronic Interfaces for Distributed Energy Systems Part 1: Systems and Topologies  

SciTech Connect (OSTI)

This report summarizes power electronic interfaces for DE applications and the topologies needed for advanced power electronic interfaces. It focuses on photovoltaic, wind, microturbine, fuel cell, internal combustion engine, battery storage, and flywheel storage systems.

Kramer, W.; Chakraborty, S.; Kroposki, B.; Thomas, H.

2008-03-01T23:59:59.000Z

267

A Better Steam Engine: Designing a Distributed Concentrating Solar Combined Heat and Power System  

E-Print Network [OSTI]

review of small solar-powered heat engines part II: Researchsince 1950-conventional engines up to 100kW. Solar Energysmall solar-powered heat engines. part III: Research since

Norwood, Zachary Mills

2011-01-01T23:59:59.000Z

268

Geometry of Power Flows and Optimization in Distribution Networks Javad Lavaei, David Tse and Baosen Zhang  

E-Print Network [OSTI]

of the solution of the power flow problem, and (ii) the non-negativity of the locational marginal prices. Partial

Lavaei, Javad

269

The design and implementation of a distributed hierarchy for overcurrent protection and monitoring of a power distribution system  

E-Print Network [OSTI]

which provides coordinated control of each of the Overcurrent Relays within a substation. The third level consists of an Engineering Computer Facility which provides engineering support and coordinated control of all the Remote Terminal Units... be made locally. Since most distribution substations are unmanned, this requires a special service trip by a meter reading crew. Thus, this information is not immediately available to system operators who must constantly determine the most efficient...

Zeigler, John Charles

1984-01-01T23:59:59.000Z

270

UNIVERSITY OF CALIFORNIA, Surface Wind Speed Distributions: Implications for Climate and Wind Power  

E-Print Network [OSTI]

and Wind Power DISSERTATION submitted in partial satisfaction of the requirements for the degree of DOCTOR . . . . . . . . . . . . . . . . . 19 1.3 Global Ocean Wind Power and Surface Layer Stability . . . . . . . . 23 1.3.1 Global Winds . . . . . . 27 1.4 Usable Offshore Wind Power . . . . . . . . . . . . . . . . . . . . . . . 31 1.4.1 Wind Turbine

Zender, Charles

271

Distributed Learning Strategies for Collaborative Agents in Adaptive Decen-tralized Power Systems  

E-Print Network [OSTI]

is obsolete, due to the wide dispersion and high unpredictability of wind and solar based power facilities nego- tiate available energy quantities and needs on behalf of consumers and producer groups. We through wind craft, solar power, or through block heat & power plants (BHPPs) driven by seed oil. Even

Wedde, Horst F.

272

Spatial distribution of average charge state and deposition rate in high power impulse magnetron sputtering of copper  

SciTech Connect (OSTI)

The spatial distribution of copper ions and atoms in high power impulse magnetron sputtering (HIPIMS) discharges was determined by (i) measuring the ion current to electrostatic probes and (ii) measuring the film thickness by profilometry. A set of electrostatic and collection probes were placed at different angular positions and distances from the target surface. The angular distribution of the deposition rate and the average charge state of the copper species (including ions and neutrals) were deduced.The discharge showed a distinct transition to a high current mode dominated by copper self-sputtering when the applied voltage exceeded the threshold of 535 V. For a lower voltage, the deposition rate was very low and the average charge state was found to be less than 0.4. For higher voltage (and average power), the absolute deposition rates were much higher, but they were smaller than the corresponding direct current (DC) rates if normalized to the same average power. At the high voltage level, the spatial distribution of the average charge state showed some similarities with the distribution of the magnetic field, suggesting that the generation and motion of copper ions is affected by magnetized electrons. At higher voltage, the average charge state increases with the distance from the target and locally may exceed unity, indicating the presence of significant amounts of doubly charged copper ions.

Anders, Andre; Horwat, David; Anders, Andre

2008-05-10T23:59:59.000Z

273

Is the Weibull distribution really suited for wind statistics modeling and wind power evaluation?  

E-Print Network [OSTI]

Wind speed statistics is generally modeled using the Weibull distribution. This distribution is convenient since it fully characterizes analytically with only two parameters (the shape and scale parameters) the shape of distribution and the different moments of the wind speed (mean, standard deviation, skewness and kurtosis). This distribution is broadly used in the wind energy sector to produce maps of wind energy potential. However, the Weibull distribution is based on empirical rather than physical justification and might display strong limitations for its applications. The philosophy of this article is based on the modeling of the wind components instead of the wind speed itself. This provides more physical insights on the validity domain of the Weibull distribution as a possible relevant model for wind statistics and the quantification of the error made by using such a distribution. We thereby propose alternative expressions of more suited wind speed distribution.

Drobinski, Philippe

2012-01-01T23:59:59.000Z

274

Rural Intelligent Transportation Systems  

E-Print Network [OSTI]

Rural Intelligent Transportation Systems In a technical session at the 2011 NACE conference, Dennis Foderberg of SEH Inc. discussed intelligent transportation systems (ITS) developed by SEH in collaboration with Network Transportation Technologies, Inc. These systems address the problem of crashes on low-volume roads

Minnesota, University of

275

Features of adsorbed radioactive chemical elements and their isotopes distribution in iodine air filters AU-1500 at nuclear power plants  

E-Print Network [OSTI]

The main aim of research is to investigate the physical features of spatial distribution of the adsorbed radioactive chemical elements and their isotopes in the granular filtering medium in the iodine air filters of the type of AU1500 in the forced exhaust ventilation systems at the nuclear power plant. The gamma activation analysis method is applied to accurately characterize the distribution of the adsorbed radioactive chemical elements and their isotopes in the granular filtering medium in the AU1500 iodine air filter after its long term operation at the nuclear power plant. The typical spectrum of the detected chemical elements and their isotopes in the AU1500 iodine air filter, which was exposed to the bremsstrahlung gamma quantum irradiation, produced by the accelerating electrons in the tantalum target, are obtained. The spatial distributions of the detected chemical element 127I and some other chemical elements and their isotopes in the layer of absorber, which was made of the cylindrical coal granules of the type of SKT3, in the AU1500 iodine air filter are also researched. The possible influences by the standing acoustic wave of air pressure in the iodine air filter on the spatial distribution of the chemical elements and their isotopes in the iodine air filter are discussed. The comprehensive analysis of obtained research results on the distribution of the adsorbed chemical elements and their isotopes in the absorber of iodine air filter is performed.

I. M. Neklyudov; A. N. Dovbnya; N. P. Dikiy; O. P. Ledenyov; Yu. V. Lyashko

2013-06-21T23:59:59.000Z

276

A Better Steam Engine: Designing a Distributed Concentrating Solar Combined Heat and Power System  

E-Print Network [OSTI]

working fluid to power a remote heat engine, as the fluidCHP options. Having a remote heat engine has many advantages

Norwood, Zachary Mills

2011-01-01T23:59:59.000Z

277

A Better Steam Engine: Designing a Distributed Concentrating Solar Combined Heat and Power System  

E-Print Network [OSTI]

towers have also been well explored, notably by BrightSource, Solarsolar concentrator, a hybrid balancing the pros and cons of traditional dish and power-tower

Norwood, Zachary Mills

2011-01-01T23:59:59.000Z

278

Smart-Metering for Monitoring Building Power Distribution Network using Instantaneous Phasor Computations of Electrical Signals  

E-Print Network [OSTI]

Smart-Metering for Monitoring Building Power Distributionimplementable for smart-meters for a building. Eachcontrol node of a building so as to make smart decisions.

K.R., Krishnanand

2013-01-01T23:59:59.000Z

279

A Better Steam Engine: Designing a Distributed Concentrating Solar Combined Heat and Power System  

E-Print Network [OSTI]

heating a high temperature working fluid to power a remoteand heating for a significant portion of the developed and developing world, including those in remote

Norwood, Zachary Mills

2011-01-01T23:59:59.000Z

280

Managing Distributed UPS Energy for Effective Power Capping in Data Centers Vasileios Kontorinis*, Liuyi Zhang*, Baris Aksanli*, Jack Sampson*, Houman Homayoun*,  

E-Print Network [OSTI]

BackupMain Bus-type power network Utility Diesel Generator ATS PDU Server Rack Server Rack Server RackManaging Distributed UPS Energy for Effective Power Capping in Data Centers Vasileios Kontorinis), ** Google GoalsGoals Reduce data center peak power using UPS-stored energy Increase servers supported

Simunic, Tajana

Note: This page contains sample records for the topic "intelligent distributed power" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


281

Distributed Low-Complexity Controller for Wind Power Plant in Derated Benjamin Biegel Daria Madjidian Vedrana Spudic Anders Rantzer Jakob Stoustrup  

E-Print Network [OSTI]

Distributed Low-Complexity Controller for Wind Power Plant in Derated Operation Benjamin Biegel Daria Madjidian Vedrana Spudi´c Anders Rantzer Jakob Stoustrup Abstract-- We consider a wind power plant of megawatt wind turbines operating in derated mode. When operating in this mode, the wind power plant

282

Nuclear Energy Research Initiative (NERI): On-Line Intelligent Self-Diagnostic Monitoring for Next Generation Nuclear Plants - Phase I Annual Report  

SciTech Connect (OSTI)

OAK-B135 This OSTI ID belongs to an IWO and is being released out of the system. The Program Manager Rebecca Richardson has confirmed that all reports have been received. The objective of this project is to design and demonstrate the operation of the real-time intelligent self-diagnostic and prognostic system for next generation nuclear power plant systems. This new self-diagnostic technology is titled, ''On-Line Intelligent Self-Diagnostic Monitoring System'' (SDMS). This project provides a proof-of-principle technology demonstration for SDMS on a pilot plant scale service water system, where a distributed array of sensors is integrated with active components and passive structures typical of next generation nuclear power reactor and plant systems. This project employs state-of-the-art sensors, instrumentation, and computer processing to improve the monitoring and assessment of the power reactor system and to provide diagnostic and automated prognostics capabilities.

L. J. Bond; S. R. Doctor; R. W. Gilbert; D. B. Jarrell; F. L. Greitzer; R. J. Meador

2000-09-01T23:59:59.000Z

283

PhotoVoltaic distributed generation for Lanai power grid real-time simulation and control integration scenario.  

SciTech Connect (OSTI)

This paper discusses the modeling, analysis, and testing in a real-time simulation environment of the Lanai power grid system for the integration and control of PhotoVoltaic (PV) distributed generation. The Lanai Island in Hawaii is part of the Hawaii Clean Energy Initiative (HCEI) to transition to 30% renewable green energy penetration by 2030. In Lanai the primary loads come from two Castle and Cook Resorts, in addition to residential needs. The total peak load profile is 12470 V, 5.5 MW. Currently there are several diesel generators that meet these loading requirements. As part of the HCEI, Lanai has initially installed 1.2 MW of PV generation. The goal of this study has been to evaluate the impact of the PV with respect to the conventional carbon-based diesel generation in real time simulation. For intermittent PV distributed generation, the overall stability and transient responses are investigated. A simple Lanai 'like' model has been developed in the Matlab/Simulink environment (see Fig. 1) and to accommodate real-time simulation of the hybrid power grid system the Opal-RT Technologies RT-Lab environment is used. The diesel generators have been modelled using the SimPowerSystems toolbox swing equations and a custom Simulink module has been developed for the High level PV generation. All of the loads have been characterized primarily as distribution lines with series resistive load banks with one VAR load bank. Three-phase faults are implemented for each bus. Both conventional and advanced control architectures will be used to evaluate the integration of the PV onto the current power grid system. The baseline numerical results include the stable performance of the power grid during varying cloud cover (PV generation ramping up/down) scenarios. The importance of assessing the real-time scenario is included.

Robinett, Rush D., III; Kukolich, Keith (Opal RT Technologies, Montreal, Quebec, Canada); Wilson, David Gerald; Schenkman, Benjamin L.

2010-06-01T23:59:59.000Z

284

A Better Steam Engine: Designing a Distributed Concentrating Solar Combined Heat and Power System  

E-Print Network [OSTI]

A Better Steam Engine: Designing a Distributed Concentrating2011 Abstract A Better Steam Engine: Designing a Distributedprovided for a steam Rankine cycle heat engine achieving 50%

Norwood, Zachary Mills

2011-01-01T23:59:59.000Z

285

A Better Steam Engine: Designing a Distributed Concentrating Solar Combined Heat and Power System  

E-Print Network [OSTI]

12] Kalogirou, S. A. (2004). Solar thermal collectors andD. (2004). Advances in solar thermal electricity technology.December). Distributed solar-thermal/electric generation.

Norwood, Zachary Mills

2011-01-01T23:59:59.000Z

286

Role of solid oxide fuel cell distributed generation for stationary power application.  

E-Print Network [OSTI]

??Based on an availabe fuel cell dyanmical model, an inportant concept feasible operating area is introduced. Fuel cell based distributed generator is studied to solve (more)

Li, Yonghui.

2008-01-01T23:59:59.000Z

287

Impact of Renewable Distributed Generation on Power Systems M. Begovi, A. Pregelj, A. Rohatgi D. Novosel  

E-Print Network [OSTI]

emissions, defer capital cost, reduce maintenance investments and improve the distribution feeder voltage, eliminating the unnecessary transmission and distribution costs. In addition, it can reduce fossil fuel that the knowledge of total penetration of small PV systems is sufficient to estimate the effects of DG on the feeder

288

Hybrid Control Network Intrusion Detection Systems for Automated Power Distribution Systems  

E-Print Network [OSTI]

) for protecting automated distribution systems (ADS) against certain types of cyber attacks in a new way, distribution au- tomation, network security, intrusion detection systems. I. INTRODUCTION A. Scope and Goals their development with that of an appropriate cyber security frame- work that would prevent attackers from gaining

Peisert, Sean

289

Fault Isolation for Spacecraft Systems: An Application to a Power Distribution  

E-Print Network [OSTI]

]. The EPS supplies power to spacecraft systems and pay- loads. The EPS schematic in Figure 1 shows a battery connected to a load bank through a set of switches, cir- cuit breakers and an inverter. Since the dynamics

Koutsoukos, Xenofon D.

290

Distributed series reactance: a new approach to realize grid power flow control.  

E-Print Network [OSTI]

??The objective of the proposed research is to develop a cost-effective power flow controller to improve the utilization and reliability of the existing transmission, sub-transmission, (more)

Johal, Harjeet

2008-01-01T23:59:59.000Z

291

Analysis of operating data related to power and flow distribution in a PWR  

E-Print Network [OSTI]

The analysis of the effects of the uncertainties associated with temperature and power measurements in the Connecticut Yankee Reactor leads to the evaluation of the uncertainty associated with the effective flow factor. ...

Herbin, Henry Christophe

1974-01-01T23:59:59.000Z

292

A Better Steam Engine: Designing a Distributed Concentrating Solar Combined Heat and Power System  

E-Print Network [OSTI]

of the rejected waste heat from power generation. (c)and for use of the waste heat, a condenser is muchcycle ? t Fraction of waste heat recovered from Rankine

Norwood, Zachary Mills

2011-01-01T23:59:59.000Z

293

Intelligent pothole repair vehicle  

E-Print Network [OSTI]

This thesis presents an endeavor to design and construct a prototype of an automated road repair vehicle called the Intelligent Pothole Repair Vehicle (IPRV). The IPRV is capable of automatically detecting and filling potholes on road surfaces...

Minocher Homji, Ruzbeh Adi

2006-10-30T23:59:59.000Z

294

Robotics and Intelligent Systems  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Robotics and Intelligent Systems INL is working to develop a new class of robotic systems that can adjust their level of autonomy on the fly, leveraging their own intrinsic...

295

Impact of quasi-dc currents on three-phase distribution transformer installations. Power Systems Technology Program  

SciTech Connect (OSTI)

This report summarizes a series of tests designed to determine the response of quasi-dc currents on three-phase power distribution transformers for electric power systems. In general, if the dc injection is limited to the primary side of a step-down transformer, significant harmonic distortion is noted and an increase in the reactive power demand results. For dc injection on the secondary (load) side of the step-down transformer the harmonic content at the secondary side is quite high and saturation occurs with a relatively low level of dc injection; however, the reactive power demand is significantly lower. These tests produced no apparent damage to the transformers. Transformer damage is dependent on the duration of the dc excitation, the level of the excitation, and on thermal characteristics of the transfer. The transformer response time is found to be much shorter than seen in power transformer tests at lower dc injection levels. This shorter response time suggests that the response time is strongly dependent on the injected current levels, and that higher levels of dc injection for shorter durations could produce very high reactive power demands and harmonic distortion within a few tenths of a second. The added reactive power load could result in the blowing of fuses on the primary side of the transformer for even moderate dc injection levels, and neutral currents are quite large under even low-level dc injection. This ``smoking neutral`` results in high-level harmonic injection into equipment via the neutral and in possible equipment failure.

McConnell, B.W.; Barnes, P.R. [Oak Ridge National Lab., TN (United States); Tesche, F.M. [Tesche (F.M.), Dallas, TX (United States); Schafer, D.A. [Mission Research Corp., Albuquerque, NM (United States)

1992-06-01T23:59:59.000Z

296

Limiting temperature from a parton gas with power-law tailed distribution  

E-Print Network [OSTI]

We combine Tsallis distributed massless partons to an effective thermal prehadron spectrum by folding. A limiting temperature and a mass spectrum combined of three exponentials emerge from this procedure. Meson and baryon resonance spectra have different polynomial prefactors.

T. S. Biro; A. Peshier

2005-06-27T23:59:59.000Z

297

A continuous distribution method for reliability evaluation of interconnected power systems  

E-Print Network [OSTI]

Recursive algorithms and approximations using continuous distributions are the two basic techniques for reliability calculations of generation systems. Within assumptions common to both methodologies, recursive without using any round-off is exact...

Chintaluri, Gouri Mohana

1993-01-01T23:59:59.000Z

298

E-Print Network 3.0 - axial power distribution Sample Search...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

and cyclotron mode in the precision trap. The measurement yields the ion's axial energy distribution... of the trapping potential is to measure the depth of the dip in the...

299

Innovative Distributed Power Grid Interconnection and Control Systems: Final Report, December 11, 2000 - August 30, 2005  

SciTech Connect (OSTI)

The contract goal was to further advance distributed generation in the marketplace by making installations more cost-effective and compatible with existing systems. This was achieved by developing innovative grid interconnection and control systems.

DePodesta, K.; Birlingmair, D.; West, R.

2006-03-01T23:59:59.000Z

300

The integration of renewable energy sources into electric power distribution systems. Volume 2, Utility case assessments  

SciTech Connect (OSTI)

Electric utility distribution system impacts associated with the integration of renewable energy sources such as photovoltaics (PV) and wind turbines (WT) are considered in this project. The impacts are expected to vary from site to site according to the following characteristics: (1) The local solar insolation and/or wind characteristics; (2) renewable energy source penetration level; (3) whether battery or other energy storage systems are applied; and (4) local utility distribution design standards and planning practices. Small, distributed renewable energy sources are connected to the utility distribution system like other, similar kW- and MW-scale equipment and loads. Residential applications are expected to be connected to single-phase 120/240-V secondaries. Larger kw-scale applications may be connected to three-phase secondaries, and larger hundred-kW and MW-scale applications, such as MW-scale windfarms or PV plants, may be connected to electric utility primary systems via customer-owned primary and secondary collection systems. Small, distributed renewable energy sources installed on utility distribution systems will also produce nonsite-specific utility generation system benefits such as energy and capacity displacement benefits, in addition to the local site-specific distribution system benefits. Although generation system benefits are not site-specific, they are utility-specific, and they vary significantly among utilities in different regions. In addition, transmission system benefits, environmental benefits and other benefits may apply. These benefits also vary significantly among utilities and regions. Seven utility case studies considering PV, WT, and battery storage were conducted to identify a range of potential renewable energy source distribution system applications.

Zaininger, H.W.; Ellis, P.R.; Schaefer, J.C. [Zaininger Engineering Co., San Jose, CA (United States)

1994-06-01T23:59:59.000Z

Note: This page contains sample records for the topic "intelligent distributed power" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


301

Crowd-powered systems  

E-Print Network [OSTI]

Crowd-powered systems combine computation with human intelligence, drawn from large groups of people connecting and coordinating online. These hybrid systems enable applications and experiences that neither crowds nor ...

Bernstein, Michael Scott

2012-01-01T23:59:59.000Z

302

Instrumentation, Control, and Intelligent Systems  

SciTech Connect (OSTI)

Abundant and affordable energy is required for U.S. economic stability and national security. Advanced nuclear power plants offer the best near-term potential to generate abundant, affordable, and sustainable electricity and hydrogen without appreciable generation of greenhouse gases. To that end, Idaho National Laboratory (INL) has been charged with leading the revitalization of nuclear power in the U.S. The INL vision is to become the preeminent nuclear energy laboratory with synergistic, world-class, multi-program capabilities and partnerships by 2015. The vision focuses on four essential destinations: (1) Be the preeminent internationally-recognized nuclear energy research, development, and demonstration laboratory; (2) Be a major center for national security technology development and demonstration; (3) Be a multi-program national laboratory with world-class capabilities; (4) Foster academic, industry, government, and international collaborations to produce the needed investment, programs, and expertise. Crucial to that effort is the inclusion of research in advanced instrumentation, control, and intelligent systems (ICIS) for use in current and advanced power and energy security systems to enable increased performance, reliability, security, and safety. For nuclear energy plants, ICIS will extend the lifetime of power plant systems, increase performance and power output, and ensure reliable operation within the system's safety margin; for national security applications, ICIS will enable increased protection of our nation's critical infrastructure. In general, ICIS will cost-effectively increase performance for all energy security systems.

Not Available

2005-09-01T23:59:59.000Z

303

iPower: An Energy Conservation System for  

E-Print Network [OSTI]

iPower: An Energy Conservation System for Intelligent Buildings by Wireless Sensor Networks Lun. Exploiting the context-aware capability of WSN to achieve energy conservation in intelligent buildings is an attractive direction. We thus propose an iPower (intelligent and personalized energy-conservation system

Tseng, Yu-Chee

304

Performance and Economic Analysis of Distributed Power Electronics in Photovoltaic Systems  

SciTech Connect (OSTI)

Distributed electronics like micro-inverters and DC-DC converters can help recover mismatch and shading losses in photovoltaic (PV) systems. Under partially shaded conditions, the use of distributed electronics can recover between 15-40% of annual performance loss or more, depending on the system configuration and type of device used. Additional value-added features may also increase the benefit of using per-panel distributed electronics, including increased safety, reduced system design constraints and added monitoring and diagnostics. The economics of these devices will also become more favorable as production volume increases, and integration within the solar panel?s junction box reduces part count and installation time. Some potential liabilities of per-panel devices include increased PV system cost, additional points of failure, and an insertion loss that may or may not offset performance gains under particular mismatch conditions.

Deline, C.; Marion, B.; Granata, J.; Gonzalez, S.

2011-01-01T23:59:59.000Z

305

Real-Time Power Balancing in Electric Grids with Distributed Storage  

E-Print Network [OSTI]

that the algorithm converges quickly and provides asymptotically optimal performance as the capacity of DS units and solar, are expected to be integrated into the future power grid. For example, the European Commission aims to include 20% renewable energy in the EU energy profile by 2020 [3], and California plans

Liang, Ben

306

Power factor enhancement by inhomogeneous distribution of dopants in two-phase nanocrystalline systems  

E-Print Network [OSTI]

that allows for high thermoelectric power factors in two-phase materials that are heavily doped. The thermoelectric performance of a material is quantified by the dimensionless figure of merit 2 /ZT S T , where conductivity [6, 7]. This was achieved even for traditionally poor thermoelectric materials such as Si

307

Distributed Detection of Cyber-Physical Attacks in Power Networks: A Waveform Relaxation Approach  

E-Print Network [OSTI]

Florian D¨orfler, Fabio Pasqualetti, and Francesco Bullo Abstract-- Future power grids will be required work supported by NSF grants IIS- 0904501 and CPS-1135819. Florian D¨orfler, Fabio Pasqualetti at Santa Barbara, {dorfler,fabiopas,bullo}@engineering.ucsb.edu G G G G G G G G G G G G G G G G G G G G G G

Bullo, Francesco

308

Environmental determinants of unscheduled residential outages in the electrical power distribution of Phoenix, Arizona  

E-Print Network [OSTI]

Phoenix, Arizona. Consistent with perceptions of increased exposure, overhead power lines positively. In the presence of overhead lines, the interaction between birds and vegetation as well as proximity to nearest Floor, P.O. Box 875302, Tempe, AZ 85287-5302, United States b Department of Urban Design and Planning

309

A Distributed File System for Intermittent Power Navin Sharma, David Irwin, and Prashant Shenoy  

E-Print Network [OSTI]

Renewable Penetration. Environmental and cost concerns have led IT companies to experiment with using clean energy sources, such as wind [4] and solar [5], that are inherently intermittent. Since long-term battery-based storage is prohibitively expensive, increasing renewable penetration requires closely matching local power

Shenoy, Prashant

310

Characterization of underground cable incipient failures from on-line monitoring of underground distribution power systems  

E-Print Network [OSTI]

With the imminent re-regulation of the power industry and investor owned utilities becoming more cost conscious, the need for an on-line, non-destructive, incipient cable fault detection system is prevalent. With such an incipient fault detection...

Cardoso, Jesus

1999-01-01T23:59:59.000Z

311

Determination of power distribution in the VVER-440 core on the basis of data from in-core monitors by means of a metric analysis  

SciTech Connect (OSTI)

Problems associated with determining the power distribution in the VVER-440 core on the basis of a neutron-physics calculation and data from in-core monitors are considered. A new mathematical scheme is proposed for this on the basis of a metric analysis. In relation to the existing mathematical schemes, the scheme in question improves the accuracy and reliability of the resulting power distribution.

Kryanev, A. V.; Udumyan, D. K. [National Research Nuclear University MEPHI, (Russian Federation); Kurchenkov, A. Yu., E-mail: s327@vver.kiae.ru; Gagarinskiy, A. A. [National Research Center Kurchatov Institute (Russian Federation)

2014-12-15T23:59:59.000Z

312

Intelligent Potroom Operation  

SciTech Connect (OSTI)

The Intelligent Potroom Operation project focuses on maximizing the performance of an aluminum smelter by innovating components for an intelligent manufacturing system. The Intelligent Potroom Advisor (IPA) monitors process data to identify reduction cells exhibiting behaviors that require immediate attention. It then advises operational personnel on those heuristic-based actions to bring the cell back to an optimal operating state in order to reduce the duration and frequency of substandard reduction cell performance referred to as ''Off-Peak Modes'' (OPMs). Techniques developed to identify cells exhibiting OPMs include the use of a finite element model-based cell state estimator for defining the cell's current operating state via advanced cell noise analyses. In addition, rule induction was also employed to identify statistically significant complex behaviors that occur prior to OPMs. The intelligent manufacturing system design, concepts and formalisms developed in this project w ere used as a basis for an intelligent manufacturing system design. Future research will incorporate an adaptive component to automate continuous process improvement, a technology platform with the potential to improve process performance in many of the other Industries of the Future applications as well.

Jan Berkow; Larry Banta

2003-07-29T23:59:59.000Z

313

Divestiture Policy and Operating Efficiency in U.S. Electric Power Distribution  

E-Print Network [OSTI]

broader and deeper markets for wholesale power. Divestiture occurred in a variety of different manners. In states such as New Hampshire and Connecticut, state laws or orders of the public utility commissions simply mandated divestiture... of service. For example, AEPs proposal to acquire Central and SouthWest Corp. was approved only on the condition that the parties divest more than 1000 MW of generation capacity in Texas. Finally, in some states such as Pennsylvania, New Jersey...

Kwoka, John; Ozturk, S; Pollitt, Michael G.

314

Method of detecting the direction of arcing faults on power distribution feeders  

E-Print Network [OSTI]

harmonic symmetrical current components under high impedance arcing faults hss been proposed by Raiser of Power Technologies Inc [I]. Other methods using even, odd, and "in-between" harmonics (with respect to the 60 Hz fundamental frequency) have been... and the second based on the "in-between" harmonic frequency current correlation to the voltage of the faulted feeder [8]. Benner has proposed the correlation of voltage to the difference in line current, caused due to an arcing high impedance fault...

Fernando, W. Anand Krisantha

1992-01-01T23:59:59.000Z

315

TOWARDS A POWER EFFICIENT PROGRAMMING MODEL FOR AD HOC In this paper, we describe the design and implementation of a distributed operating system for ad hoc net-  

E-Print Network [OSTI]

1 TOWARDS A POWER EFFICIENT PROGRAMMING MODEL FOR AD HOC NETWORKS Abstract In this paper, we describe the design and implementation of a distributed operating system for ad hoc net- works. The goal of our system is to extend total system lifetime for ad hoc networking applications through power

Sirer, Emin Gun

316

Published in 39th International Symposium on Computer Architecture, June, 2012 Managing Distributed UPS Energy for Effective Power Capping in Data Centers  

E-Print Network [OSTI]

the lifetime of the data center (capital expenses, or capex) and monthly recur- ring operating expenses (opex) [22]. Capex costs are pro- portional to the provisioned IT power per facility, estimated at $10-20 per of distributed batteries in the data center to reduce both capex and opex costs. Power infrastructure is commonly

Wang, Deli

317

Simple method for highlighting the temperature distribution into a liquid sample heated by microwave power field  

SciTech Connect (OSTI)

Microwave induced heating is widely used in medical treatments, scientific and industrial applications. The temperature field inside a microwave heated sample is often inhomogenous, therefore multiple temperature sensors are required for an accurate result. Nowadays, non-contact (Infra Red thermography or microwave radiometry) or direct contact temperature measurement methods (expensive and sophisticated fiber optic temperature sensors transparent to microwave radiation) are mainly used. IR thermography gives only the surface temperature and can not be used for measuring temperature distributions in cross sections of a sample. In this paper we present a very simple experimental method for temperature distribution highlighting inside a cross section of a liquid sample, heated by a microwave radiation through a coaxial applicator. The method proposed is able to offer qualitative information about the heating distribution, using a temperature sensitive liquid crystal sheet. Inhomogeneities as smaller as 1-2C produced by the symmetry irregularities of the microwave applicator can be easily detected by visual inspection or by computer assisted color to temperature conversion. Therefore, the microwave applicator is tuned and verified with described method until the temperature inhomogeneities are solved.

Surducan, V.; Surducan, E.; Dadarlat, D. [National Institute for Research and Development of Isotopic and Molecular Technologies, 65-103 Donath Street, Cluj-Napoca (Romania)] [National Institute for Research and Development of Isotopic and Molecular Technologies, 65-103 Donath Street, Cluj-Napoca (Romania)

2013-11-13T23:59:59.000Z

318

Intelligent Control of Modular Robotic Welding Cell  

SciTech Connect (OSTI)

Although robotic machines are routinely used for welding, such machines do not normally incorporate intelligent capabilities. We are studying the general problem of formulating usable levels of intelligence into welding machines. From our perspective, an intelligent machine should: incorporate knowledge of the welding process, know if the process is operating correctly, know if the weld it is making is good or bad, have the ability to learn from its experience to perform welds, and be able to optimize its own performance. To this end, we are researching machine architecture, methods of knowledge representation, decision making and conflict resolution algorithms, methods of learning and optimization, human/machine interfaces, and various sensors. This paper presents work on the machine architecture and the human/machine interface specifically for a robotic, gas metal arc welding cell. Although the machine control problem is normally approached from the perspective of having a central body of control in the machine, we present a design using distributed agents. A prime goal of this work is to develop an architecture for an intelligent machine that will support a modular, plug and play standard. A secondary goal of this work is to formulate a human/machine interface that treats the human as an active agent in the modular structure.

Smartt, Herschel Bernard; Kenney, Kevin Louis; Tolle, Charles Robert

2002-04-01T23:59:59.000Z

319

Development of an Integrated Distribution Management System  

SciTech Connect (OSTI)

This final report details the components, functionality, costs, schedule and benefits of developing an Integrated Distribution Management System (IDMS) for power distribution system operation. The Distribution Automation (DA) and Supervisory Control and Data Acquisition (SCADA) systems used by electric power companies to manage the distribution of electric power to retail energy consumers are vital components of the Nations critical infrastructure. Providing electricity is an essential public service and a disruption in that service, if not quickly restored, could threaten the public safety and the Nations economic security. Our Nations economic prosperity and quality of life have long depended on the essential services that utilities provide; therefore, it is necessary to ensure that electric utilities are able to conduct their operations safely and efficiently. A fully integrated technology of applications is needed to link various remote sensing, communications and control devices with other information tools that help guide Power Distribution Operations personnel. A fully implemented IDMS will provide this, a seamlessly integrated set of applications to raise electric system operating intelligence. IDMS will enhance DA and SCADA through integration of applications such as Geographic Information Systems, Outage Management Systems, Switching Management and Analysis, Operator Training Simulator, and other Advanced Applications, including unbalanced load flow and fault isolation/service restoration. These apps are capable of utilizing and obtaining information from appropriately installed DER, and by integrating disparate systems, the Distribution Operators will benefit from advanced capabilities when analyzing, controlling and operating the electric system.

Schatz, Joe E.

2010-10-20T23:59:59.000Z

320

Analysis and design of matrix converters for adjustable speed drives and distributed power sources  

E-Print Network [OSTI]

.11 Comparison during power interruption (a) without ride-through module (b) with ride-through module (ch1: STPI, ch2: output current IA [5A/ div]), ch3: input voltage Vab, ch4: output line-to-line voltage VAB) .......... 70 3... bidirectional switches and each output phase is associated with three switch set connected to three input phases. This configuration of bidirectional 4 M A B C a b c SaA SbA ScA SaB SbB SbC SaC SbC ScC Fig.1.3 Matrix converter topology switches...

Cha, Han Ju

2004-11-15T23:59:59.000Z

Note: This page contains sample records for the topic "intelligent distributed power" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


321

ITP Industrial Distributed Energy: Combined Heat and Power Market Potential for Opportunity Fuels  

Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious Rank EERE:YearRound-UpHeatMulti-Dimensionalthe U.S. Department ofIOWA1999) | Department2009 | The U.S. Power

322

IEEE TRANSACTIONS ON POWER SYSTEMS, VOL. 29, NO. 1, JANUARY 2014 203 Distribution Locational Marginal Pricing for Optimal  

E-Print Network [OSTI]

(DSO) determines distribution locational marginal prices (DLMPs) by solving the social welfare, distribution locational marginal prices (DLMPs), distribution locational marginal pricing (DLMP), distribution at node . System locational marginal price (LMP) at time period for the node feeding the distribution grid

Oren, Shmuel S.

323

Low Insertion HVDC Circuit Breaker: Magnetically Pulsed Hybrid Breaker for HVDC Power Distribution Protection  

SciTech Connect (OSTI)

GENI Project: General Atomics is developing a direct current (DC) circuit breaker that could protect the grid from faults 100 times faster than its alternating current (AC) counterparts. Circuit breakers are critical elements in any electrical system. At the grid level, their main function is to isolate parts of the grid where a fault has occurredsuch as a downed power line or a transformer explosionfrom the rest of the system. DC circuit breakers must interrupt the system during a fault much faster than AC circuit breakers to prevent possible damage to cables, converters and other grid-level components. General Atomics high-voltage DC circuit breaker would react in less than 1/1,000th of a second to interrupt current during a fault, preventing potential hazards to people and equipment.

None

2012-01-09T23:59:59.000Z

324

Utility Theory Social Intelligence  

E-Print Network [OSTI]

Utility Theory Social Intelligence Daniel Polani Utility Theory ­ p.1/15 Utilities: Motivation Consider: game scenario For Instance: 2-or-more players Necessary: development of concept for utilities decisions sequential decisions (time) games Utility The Prototypical Scenario Consider: agent that can take

Polani, Daniel

325

Collaborative National Program for the Development and Performance Testing of Distributed Power Technologies with Emphasis on Combined Heat and Power Applications  

SciTech Connect (OSTI)

A current barrier to public acceptance of distributed generation (DG) and combined heat and power (CHP) technologies is the lack of credible and uniform information regarding system performance. Under a cooperative agreement, the Association of State Energy Research and Technology Transfer Institutions (ASERTTI) and the U.S. Department of Energy have developed four performance testing protocols to provide a uniform basis for comparison of systems. The protocols are for laboratory testing, field testing, long-term monitoring and case studies. They have been reviewed by a Stakeholder Advisory Committee made up of industry, public interest, end-user, and research community representatives. The types of systems covered include small turbines, reciprocating engines (including Stirling Cycle), and microturbines. The protocols are available for public use and the resulting data is publicly available in an online national database and two linked databases with further data from New York State. The protocols are interim pending comments and other feedback from users. Final protocols will be available in 2007. The interim protocols and the national database of operating systems can be accessed at www.dgdata.org. The project has entered Phase 2 in which protocols for fuel cell applications will be developed and the national and New York databases will continue to be maintained and populated.

Soinski, Arthur; Hanson, Mark

2006-06-28T23:59:59.000Z

326

Satellite power system (SPS). Rectenna siting: availability and distribution of nominally eligible sites  

SciTech Connect (OSTI)

Siting of 60 ground receiving stations (rectennas) for the SPS may pose a problem due to the large area per rectenna (15,000 hectares, 38,000 acres) and numerous siting constraints. This study analyzes areas potentially eligible for rectenna sites by mapping, at a national scale, those conditions which would preclude rectenna construction. These exclusion variables which reflect restricted lands, topography, safety, national policy and electromagnetic (microwave) effects, have been computer encoded and tabulated. Subsequent analysis of the nine electric power planning regions that make up the contiguous states indicate an apparently adequate number of nominally eligible sites in all regions in comparison to projected electrical generation. Eligibility in this context means only that areas were not excluded in this national level analysis; more detailed investigation may reveal purely local constraints or smaller scale exclusions. A second major qualification relates to small isolated eligible areas. Eliminating individual eligible clusters with less than nine times the area of one rectenna eliminates much of the Eastern US; a four-to-one adjacent eligible area test poses no such problem. An independant study of the placement of 60 nominal sites in relation to projected load centers reveals that, even with modest transmission distances, the supply of eligible areas is not a key constraint, except perhaps in the Mid-Atlantic (Electric Reliability) Council Region. Even when several less critical (potential) exclusions are considered, more than 19% of the US is eligible; every region except Mid-Atlantic has at least 50 times an many eligible sites as are required.

Not Available

1980-11-01T23:59:59.000Z

327

Intelligent Power Assist Algorithms for Electric Bicycles  

E-Print Network [OSTI]

electric hub motor . . . . . . . . . . . . . . . . . . .Golden Motor electric bicycle model MT-Electric hub motor in the front

Fan, Xuan

2010-01-01T23:59:59.000Z

328

Intelligent Power Assist Algorithms for Electric Bicycles  

E-Print Network [OSTI]

yaw angle velocity roll angle steer angle roll torque Figure 3.3: The response of the systemyaw angle velocity roll angle steer angle roll torque Figure 3.5: The response of the system

Fan, Xuan

2010-01-01T23:59:59.000Z

329

FUTURE POWER GRID INITIATIVE Intelligent Networked Sensors  

E-Print Network [OSTI]

, demand- response, and plug-in electric vehicles. It: » Lays the software platform groundwork and planning and ensure a more secure, efficient and reliable future grid. Building on the Electricity

330

The power distribution and neutron fluence measurements and calculations in the VVER-1000 Mock-Up on the LR-0 research reactor  

SciTech Connect (OSTI)

The power density distribution in a reactor has significant influence on core structures and pressure vessel mechanical resistance, as well as on the physical characteristics of nuclear fuel. This quantity also has an effect on the leakage neutron and photon field. This issue has become of increasing importance, as it touches on actual questions of the VVER nuclear power plant life time extension. This paper shows the comparison of calculated and experimentally determined pin by pin power distributions. The calculation has been performed with deterministic and Monte Carlo approaches. This quantity is accompanied by the neutron and photon flux density calculation and measurements at different points of the light water zero-power (LR-0) research reactor mock-up core, reactor built-in component (core barrel), and reactor pressure vessel and model. The effect of the different data libraries used for calculation is discussed. (authors)

Kostal, M.; Juricek, V.; Rypar, V.; Svadlenkova, M. [Research Center Rez Ltd., 250 68 Husinec-Rez 130 (Czech Republic); Cvachovec, F. [Univ. of Defence, Kounicova 65, 662 10 Brno (Czech Republic)

2011-07-01T23:59:59.000Z

331

Synchrophasor Measurement Using Substation Intelligent Electronic Devices: Algorithms and Test Methodology  

E-Print Network [OSTI]

This dissertation studies the performance of synchrophasor measurement obtained using substation Intelligent Electronic Devices (IEDs) and proposes new algorithms and test methodology to improve and verify their performance when used in power system...

Ren, Jinfeng

2012-02-14T23:59:59.000Z

332

Determination of the relative power density distribution in a heterogeneous reactor from the results of measurements of the reactivity effects and the neutron importance function  

SciTech Connect (OSTI)

A method for experimental determination of the relative power density distribution in a heterogeneous reactor based on measurements of fuel reactivity effects and importance of neutrons from a californium source is proposed. The method was perfected on two critical assembly configurations at the NARCISS facility of the Kurchatov Institute, which simulated a small-size heterogeneous nuclear reactor. The neutron importance measurements were performed on subcritical and critical assemblies. It is shown that, along with traditionally used activation methods, the developed method can be applied to experimental studies of special features of the power density distribution in critical assemblies and reactors.

Bobrov, A. A.; Glushkov, E. S.; Zimin, A. A.; Kapitonova, A. V.; Kompaniets, G. V.; Nosov, V. I., E-mail: rpp@adis.vver.kiae.ru; Petrushenko, R. P.; Smirnov, O. N. [Russian Research Centre Kurchatov Institute (Russian Federation)

2012-12-15T23:59:59.000Z

333

Automated Fault Location In Smart Distribution Systems  

E-Print Network [OSTI]

of utilizing a suitable fault location method. As distribution systems are gradually evolving into smart distribution systems, application of more accurate fault location methods based on gathered data from various Intelligent Electronic Devices (IEDs...

Lotfifard, Saeed

2012-10-19T23:59:59.000Z

334

Intelligence team given national honor  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

secrecy and urgent consequence." The award was presented to the Laboratory Wednesday by Bruce Held, the director of the Department of Energy's Office of Intelligence and...

335

Fourth Intelligent Sootblowing Workshop Proceedings  

SciTech Connect (OSTI)

This document describes the presentations and panel discussions of the Fourth Intelligent Sootblowing Workshop and Exposition held March 19-21, 2002, in Houston, Texas.

None

2002-03-01T23:59:59.000Z

336

Dynamic Power Management of High Performance Network on Chip  

E-Print Network [OSTI]

. The addition of intelligent networking on the chip adds to the chips power consumption thus making management of communication power an interesting and challenging research problem. While VLSI techniques have evolved over time to enable power reduction...

Mandal, Suman Kalyan

2012-02-14T23:59:59.000Z

337

Safety and Liveness in Intelligent Intersections Hemant Kowshik1  

E-Print Network [OSTI]

of designing intelligent intersections where traffic lights and stop signs are removed, and cars negotiate intersections are representative of complex distributed hybrid systems which need architectures and algorithms with provable safety and liveness. We propose a hybrid architecture which involves an appropriate inter- play

338

A Hybrid Model and MIMO Control for Intelligent Buildings Temperature  

E-Print Network [OSTI]

to effectively handle the discrete and nonlinear perturbations. Keywords: Energy applications; Hybrid modeling and the resulting system is described as a hybrid state-space model. The distributed sensing capabilities associatedA Hybrid Model and MIMO Control for Intelligent Buildings Temperature Regulation over WSN Emmanuel

Boyer, Edmond

339

Goh et al. Reply: We introduced in a recent Letter [1] the load distribution following a power law on scale-free (SF)  

E-Print Network [OSTI]

Goh et al. Reply: We introduced in a recent Letter [1] the load distribution following a power law on scale-free (SF) networks. In addition, it was conjectured that the load exponent is universal as long. In this Reply, we notice that the discrepancy is mainly caused by different usages of definition of load in [1

Kim, Doochul

340

Goh et al. Reply: We introduced in a recent Letter [1] the load distribution following a power law on scalefree (SF) net  

E-Print Network [OSTI]

Goh et al. Reply: We introduced in a recent Letter [1] the load distribution following a power law on scale­free (SF) net­ works. In addition, it was conjectured that the load exponent d is universal. In this reply, we notice that the discrepancy is mainly caused by different usages of definition of load in [1

Kahng, Byungnam

Note: This page contains sample records for the topic "intelligent distributed power" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


341

Explorer-II: Wireless Self-Powered Visual and NDE Robotic Inspection System for Live Gas Distribution Mains  

SciTech Connect (OSTI)

Carnegie Mellon University (CMU) under contract from Department of Energy/National Energy Technology Laboratory (DoE/NETL) and co-funding from the Northeast Gas Association (NGA), has completed the overall system design, field-trial and Magnetic Flux Leakage (MFL) sensor evaluation program for the next-generation Explorer-II (X-II) live gas main Non-destructive Evaluation (NDE) and visual inspection robot platform. The design is based on the Explorer-I prototype which was built and field-tested under a prior (also DoE- and NGA co-funded) program, and served as the validation that self-powered robots under wireless control could access and navigate live natural gas distribution mains. The X-II system design ({approx}8 ft. and 66 lbs.) was heavily based on the X-I design, yet was substantially expanded to allow the addition of NDE sensor systems (while retaining its visual inspection capability), making it a modular system, and expanding its ability to operate at pressures up to 750 psig (high-pressure and unpiggable steel-pipe distribution mains). A new electronics architecture and on-board software kernel were added to again improve system performance. A locating sonde system was integrated to allow for absolute position-referencing during inspection (coupled with external differential GPS) and emergency-locating. The power system was upgraded to utilize lithium-based battery-cells for an increase in mission-time. The resulting robot-train system with CAD renderings of the individual modules. The system architecture now relies on a dual set of end camera-modules to house the 32-bit processors (Single-Board Computer or SBC) as well as the imaging and wireless (off-board) and CAN-based (on-board) communication hardware and software systems (as well as the sonde-coil and -electronics). The drive-module (2 ea.) are still responsible for bracing (and centering) to drive in push/pull fashion the robot train into and through the pipes and obstacles. The steering modules and their arrangement, still allow the robot to configure itself to perform any-angle (up to 90 deg) turns in any orientation (incl. vertical), and enable the live launching and recovery of the system using custom fittings and a (to be developed) launch-chamber/-tube. The battery modules are used to power the system, by providing power to the robot's bus. The support modules perform the functions of centration for the rest of the train as well as odometry pickups using incremental encoding schemes. The electronics architecture is based on a distributed (8-bit) microprocessor architecture (at least 1 in ea. module) communicating to a (one of two) 32-bit SBC, which manages all video-processing, posture and motion control as well as CAN and wireless communications. The operator controls the entire system from an off-board (laptop) controller, which is in constant wireless communication with the robot train in the pipe. The sensor modules collect data and forward it to the robot operator computer (via the CAN-wireless communications chain), who then transfers it to a dedicated NDE data-storage and post-processing computer for further (real-time or off-line) analysis. The prototype robot system was built and tested indoors and outdoors, outfitted with a Remote-Field Eddy Current (RFEC) sensor integrated as its main NDE sensor modality. An angled launcher, allowing for live launching and retrieval, was also built to suit custom angled launch-fittings from TDW. The prototype vehicle and launcher systems are shown. The complete system, including the in-pipe robot train, launcher, integrated NDE-sensor and real-time video and control console and NDE-data collection and -processing and real-time display, were demonstrated to all sponsors prior to proceeding into final field-trials--the individual components and setting for said acceptance demonstration are shown. The launcher-tube was also used to verify that the vehicle system is capable of operating in high-pressure environments, and is safely deployable using proper evacuating/purging techniques for operation in the po

Carnegie Mellon University

2008-09-30T23:59:59.000Z

342

IMSC Spring Retreat Activity Based Intelligence  

E-Print Network [OSTI]

intelligence modality (SIGINT, IMINT, OSINT, GEOINT..... ) ­ Non-traditional indicators (social networks

Shahabi, Cyrus

343

ITP Industrial Distributed Energy: Combined Heat & Power Multifamily Performance Program-- Sea Park East 150 kW CHP System  

Broader source: Energy.gov [DOE]

Overview of Sea Park East 150 kilowatt (kW) Combined Heat and Power (CHP) System in Brooklyn, New York

344

456 IEEE TRANSACTIONS ON POWER DELIVERY, VOL. 19, NO. 2, APRIL 2004 TransientMeter: A Distributed Measurement System  

E-Print Network [OSTI]

transforms. I. INTRODUCTION IN the recent years, users of electric power have detected an increasing number of drawbacks caused by electrical power quality variations. These variations already existed on electrical of the power produced, to prove that the utilities themselves are not re- sponsible for any damages that have

Di Penta, Massimiliano

345

Robotic intelligence kernel  

DOE Patents [OSTI]

A robot platform includes perceptors, locomotors, and a system controller. The system controller executes a robot intelligence kernel (RIK) that includes a multi-level architecture and a dynamic autonomy structure. The multi-level architecture includes a robot behavior level for defining robot behaviors, that incorporate robot attributes and a cognitive level for defining conduct modules that blend an adaptive interaction between predefined decision functions and the robot behaviors. The dynamic autonomy structure is configured for modifying a transaction capacity between an operator intervention and a robot initiative and may include multiple levels with at least a teleoperation mode configured to maximize the operator intervention and minimize the robot initiative and an autonomous mode configured to minimize the operator intervention and maximize the robot initiative. Within the RIK at least the cognitive level includes the dynamic autonomy structure.

Bruemmer, David J. (Idaho Falls, ID)

2009-11-17T23:59:59.000Z

346

Detecting Discrepancies and Improving Intelligibility  

E-Print Network [OSTI]

Detecting Discrepancies and Improving Intelligibility: Two Preliminary Evaluations of RIPTIDES evaluations of RIPTIDES, a sys- tem that combines information extraction (IE), extraction-based sum unduly sacrificing content relevance. 1 Introduction We report on two preliminary evaluations of RIPTIDES

Wagstaff, Kiri L.

347

Challenges in Intelligent Transportation Systems  

E-Print Network [OSTI]

-EURECOM Workshop #12;The Vision: Intelligent Vehicle / Transport Motocycle Warning Emergency Vehicle [Source: BMW F with dielectric housing Fig. 3: Dielectric housing Source: Oliver Klemp (Oliver.Klemp@bmw.de), BMW R&D, Munich

Gesbert, David

348

Estimating electricity storage power rating and discharge duration for utility transmission and distribution deferral :a study for the DOE energy storage program.  

SciTech Connect (OSTI)

This report describes a methodology for estimating the power and energy capacities for electricity energy storage systems that can be used to defer costly upgrades to fully overloaded, or nearly overloaded, transmission and distribution (T&D) nodes. This ''sizing'' methodology may be used to estimate the amount of storage needed so that T&D upgrades may be deferred for one year. The same methodology can also be used to estimate the characteristics of storage needed for subsequent years of deferral.

Eyer, James M. (Distributed Utility Associates, Livermore, CA); Butler, Paul Charles; Iannucci, Joseph J., Jr. (,.Distributed Utility Associates, Livermore, CA)

2005-11-01T23:59:59.000Z

349

Artificial Intelligence Decision and Information  

E-Print Network [OSTI]

(Sk+3000,000) EU(decline bet) = U(S k+1000,000) not that different Bottom Line: the utility U of money Intellige Decision: What Door to Open? Artificial Intelligence ­ p.3/26 Bottom Line Clear: decision about preference by a numerical utility function U. For outcomes A, B U(A) > U(B) A B U(A) = U(B) A B Artificial

Polani, Daniel

350

IEEE TRANSACTIONS ON POWER SYSTEMS (SUBMITTED APRIL 3, 2012; REVISED JUNE 30, AUGUST 9, AND SEPTEMBER 12, 2012) 1 Distributed Robust Power System State Estimation  

E-Print Network [OSTI]

. Index Terms--Alternating direction method of multipliers; bad data identification; Huber's function of malicious data attacks and bad data [16], [1, Ch. 5-6]. There are two key issues in modernizing the power are typically needed. Requiring also real-time processing along with resilience to corrupted data render

Giannakis, Georgios

351

Power law and exponential ejecta size distributions from the dynamic fragmentation of shock-loaded Cu and Sn metals under melt conditions  

SciTech Connect (OSTI)

Large scale molecular dynamics (MD) simulations are performed to study and to model the ejecta production from the dynamic fragmentation of shock-loaded metals under melt conditions. A generic 3D crystal in contact with vacuum containing about 10{sup 8} atoms and with a sinusoidal free surface roughness is shock loaded so as to undergo a solid-liquid phase change on shock. The reflection of the shock wave at the interface metal/vacuum gives rise to the ejection of 2D jets/sheets of atoms (Richtmyer-Meshkov instabilities in the continuum limit), which develop and break up, forming ejecta (fragments) of different volumes (or mass). The fragmentation process is investigated by analyzing the evolution of the resulting volume distribution of the ejecta as a function of time. Two metals are studied (Cu and Sn) and the amplitude of the roughness is varied. The simulations show that the associated distributions exhibit a generic behavior with the sum of two distinct terms of varying weight, following the expansion rate of the jets: in the small size limit, the distribution obeys a power law dependence with an exponent equal to 1.15??0.08; and in the large size limit, it obeys an exponential form. These two components are interpreted, with the help of additional simple simulations, as the signature of two different basic mechanisms of fragmentation. The power law dependence results from the fragmentation of a 2D network of ligaments arranged following a fractal (scale free) geometry and generated when the sheets of liquid metal expand and tear. The exponential distribution results from a 1D Poisson fragmentation process of the largest ligaments previously generated. Unlike the power law distribution, it is governed by a characteristic length scale, which may be provided by energy balance principle.

Durand, O.; Soulard, L. [CEA, DAM, DIF, F-91297 Arpajon (France)

2013-11-21T23:59:59.000Z

352

Intelligent emissions controller for substance injection in the post-primary combustion zone of fossil-fired boilers  

DOE Patents [OSTI]

The control of emissions from fossil-fired boilers wherein an injection of substances above the primary combustion zone employs multi-layer feedforward artificial neural networks for modeling static nonlinear relationships between the distribution of injected substances into the upper region of the furnace and the emissions exiting the furnace. Multivariable nonlinear constrained optimization algorithms use the mathematical expressions from the artificial neural networks to provide the optimal substance distribution that minimizes emission levels for a given total substance injection rate. Based upon the optimal operating conditions from the optimization algorithms, the incremental substance cost per unit of emissions reduction, and the open-market price per unit of emissions reduction, the intelligent emissions controller allows for the determination of whether it is more cost-effective to achieve additional increments in emission reduction through the injection of additional substance or through the purchase of emission credits on the open market. This is of particular interest to fossil-fired electrical power plant operators. The intelligent emission controller is particularly adapted for determining the economical control of such pollutants as oxides of nitrogen (NO.sub.x) and carbon monoxide (CO) emitted by fossil-fired boilers by the selective introduction of multiple inputs of substances (such as natural gas, ammonia, oil, water-oil emulsion, coal-water slurry and/or urea, and combinations of these substances) above the primary combustion zone of fossil-fired boilers.

Reifman, Jaques (Western Springs, IL); Feldman, Earl E. (Willowbrook, IL); Wei, Thomas Y. C. (Downers Grove, IL); Glickert, Roger W. (Pittsburgh, PA)

2003-01-01T23:59:59.000Z

353

Abstract--Recently, there is an increasing interest in using distributed generators (DGs) not only to inject power into the  

E-Print Network [OSTI]

1 1 Abstract--Recently, there is an increasing interest in using distributed generators (DGs, it is well-known that the Distributed Generators (DGs) often consist of a prime mover connected through-frame control method for voltage unbalance compensation in an islanded microgrid is proposed. This method

Vasquez, Juan Carlos

354

Towards Intelligent District Heating.  

E-Print Network [OSTI]

??A district heating system consists of one or more production units supplying energy in the form of heated water through a distribution pipe network to (more)

Johansson, Christian

2010-01-01T23:59:59.000Z

355

artificial intelligence techniques: Topics by E-print Network  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

vs. "Conventional Control" Intelligent Control: Basic Techniques 164 Alan Turing and the development of Artificial Intelligence Computer Technologies and...

356

Abstract--We revisit the loss reduction problem for network reconfiguration in power distribution systems in this paper.  

E-Print Network [OSTI]

power networks. However, we can tackle this challenge in smart grid especially with the help of smart meter. In this paper, we propose a new heuristic greedy algorithm to achieve the minimal LPL

Wu, Chenye

357

Space-time power schedule for distributed MIMO links without instantaneous channel state information at the transmitting nodes  

E-Print Network [OSTI]

We have proposed a spacetime optimal power schedulingin [4][7]. In [4], a space-only (i.e. , time-invariant)are all and . Scheme A5 space-only schemes. Here, RONG et

Rong, Yue; Hua, Yingbo; Swami, Ananthram; Swindlehurst, A. Lee

2008-01-01T23:59:59.000Z

358

Spatial distribution of average charge state and deposition rate in high power impulse magnetron sputtering of copper  

E-Print Network [OSTI]

was inch (6. 25 mm) thick copper disk. The diameter of thevery high power de nsity. Copper was selected for this studythe high stability of HIPIMS copper discharges ( copper can

Horwat, David

2008-01-01T23:59:59.000Z

359

FUTURE POWER GRID INITIATIVE Future Power Grid  

E-Print Network [OSTI]

FUTURE POWER GRID INITIATIVE Future Power Grid Control Paradigm OBJECTIVE This project integration & exploit the potential of distributed smart grid assets Significantly reduce the risk of advanced mathematical models, next- generation simulation and analytics capabilities for the power grid

360

Technical Challenges of Plug-In Hybrid Electric Vehicles and Impacts to the US Power System: Distribution System Analysis  

SciTech Connect (OSTI)

This report documents work conducted by Pacific Northwest National Laboratory (PNNL) for the Department of Energy (DOE) to address three basic questions concerning how typical existing electrical distribution systems would be impacted by the addition of PHEVs to residential loads.

Gerkensmeyer, Clint; Kintner-Meyer, Michael CW; DeSteese, John G.

2010-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "intelligent distributed power" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


361

Artificial Intelligence Problem Solving and Search  

E-Print Network [OSTI]

. Artificial Intelligence ­ p.1/89 #12;Example: Romania Problem: On holiday in Romania; currently in Arad, Fagaras, Bucharest Artificial Intelligence ­ p.2/89 #12;Example: Romania Giurgiu Urziceni Hirsova Eforie

Srinivasan, Padmini

362

Artificial Intelligence Problem Solving and Search  

E-Print Network [OSTI]

. Artificial Intelligence ­ p.1/89 Example: Romania Problem: On holiday in Romania; currently in Arad. Flight, Bucharest Artificial Intelligence ­ p.2/89 Example: Romania Giurgiu Urziceni Hirsova Eforie Neamt Oradea

Srinivasan, Padmini

363

MAS.963 Ambient Intelligence, Spring 2004  

E-Print Network [OSTI]

This course focuses on Ambient Intelligence, and how it envisions a world where people are surrounded by intelligent and intuitive interfaces embedded in the everyday objects around them. These interfaces recognize and ...

Maes, Patricia

364

Advanced Building Efficiency Testbed Initiative/Intelligent Workplace Energy Supply System; ABETI/IWESS  

SciTech Connect (OSTI)

ABETI/IWESS is a project carried out by Carnegie Mellon's Center for Building Performance and Diagnostics, the CBPD, supported by the U.S. Department of Energy/EERE, to design, procure, install, operate, and evaluate an energy supply system, an ESS, that will provide power, cooling, heating and ventilation for CBPD's Intelligent Workplace, the IW. The energy sources for this system, the IWESS, are solar radiation and bioDiesel fuel. The components of this overall system are: (1) a solar driven cooling and heating system for the IW comprising solar receivers, an absorption chiller, heat recovery exchanger, and circulation pump; (2) a bioDiesel fueled engine generator with heat recovery exchangers, one on the exhaust to provide steam and the other on the engine coolant to provide heated water; (3) a ventilation system including an enthalpy recovery wheel, an air based heat pump, an active desiccant wheel, and an air circulation fan; and (4) various convective and radiant cooling/heating units and ventilation air diffusers distributed throughout the IW. The goal of the ABETI/IWESS project is to demonstrate an energy supply system for a building space that will provide a healthy, comfortable environment for the occupants and that will reduce the quantity of energy consumed in the operation of a building space by a factor of 2 less than that of a conventional energy supply for power, cooling, heating, and ventilation based on utility power and natural gas fuel for heating.

David Archer; Frederik Betz; Yun Gu; Rong Li; Flore Marion; Sophie Masson; Ming Qu; Viraj Srivastava; Hongxi Yin; Chaoqin Zhai; Rui Zhang; Elisabeth Aslanian; Berangere Lartigue

2008-05-31T23:59:59.000Z

365

LEARNING BY DOING WITH SIMULATED INTELLIGENT HELP  

E-Print Network [OSTI]

ARTICLES LEARNING BY DOING WITH SIMULATED INTELLIGENT HELP Intelligent advisory interfaces will afford new approaches to help and training problems, however little is known about the usability of such facilities. This recent study indicates that although intelligent help can support users, there are also

Carroll, John M.

366

Control and Protection of Power Electronics Interfaced Distri-buted Generation Systems in a Customer-Driven Microgrid  

E-Print Network [OSTI]

in a Customer-Driven Microgrid Fang Z. Peng, Yun Wei Li and Leon M. Tolbert Abstract ­ This paper discusses-driven microgrid (CDM). Particularly, the following topics will be addressed: microgrid system configurations); renewable energy source (RES); micro-source; microgrid; customer-driven micro- grid (CDM), power electronics

Tolbert, Leon M.

367

Abstract--The issue of controlled and reliable integration of distributed energy resources into microgrids and large power  

E-Print Network [OSTI]

resources (DER), many of them based on renewable energies, have experimented an unprecedented growth of the renewable energy sources, and its integration into power systems. One of the main technical issues to be addressed in the process of integration is the control and management of the non-dispatchable renewable

Caizares, Claudio A.

368

Abstract--The increase in use of power electronics in transmission and distribution applications is the driving  

E-Print Network [OSTI]

is the driving force for development of high power devices. Utility applications like FACTS and HVDC require cost and compared for SiC and Si devices. These loss models are integrated with an HVDC transmission system to study of the systems. High Voltage DC (HVDC) transmission and Flexible AC Transmission Systems (FACTS) are the widely

Tolbert, Leon M.

369

Physical features of accumulation and distribution processes of small disperse coal dust precipitations and absorbed radioactive chemical elements in iodine air filter at nuclear power plant  

E-Print Network [OSTI]

The physical features of absorption process of radioactive chemical elements and their isotopes in the iodine air filters of the type of AU-1500 at the nuclear power plants are researched. It is shown that the non-homogenous spatial distribution of absorbed radioactive chemical elements and their isotopes in the iodine air filter, probed by the gamma-activation analysis method, is well correlated with the spatial distribution of small disperse coal dust precipitations in the iodine air filter. This circumstance points out to an important role by the small disperse coal dust fractions of absorber in the absorption process of radioactive chemical elements and their isotopes in the iodine air filter. The physical origins of characteristic interaction between the radioactive chemical elements and the accumulated small disperse coal dust precipitations in an iodine air filter are considered. The analysis of influence by the researched physical processes on the technical characteristics and functionality of iodine ...

Ledenyov, Oleg P; Poltinin, P Ya; Fedorova, L I

2012-01-01T23:59:59.000Z

370

Fuel Cell Power Model Version 2: Startup Guide, System Designs, and Case Studies. Modeling Electricity, Heat, and Hydrogen Generation from Fuel Cell-Based Distributed Energy Systems  

SciTech Connect (OSTI)

This guide helps users get started with the U.S. Department of Energy/National Renewable Energy Laboratory Fuel Cell Power (FCPower) Model Version 2, which is a Microsoft Excel workbook that analyzes the technical and economic aspects of high-temperature fuel cell-based distributed energy systems with the aim of providing consistent, transparent, comparable results. This type of energy system would provide onsite-generated heat and electricity to large end users such as hospitals and office complexes. The hydrogen produced could be used for fueling vehicles or stored for later conversion to electricity.

Steward, D.; Penev, M.; Saur, G.; Becker, W.; Zuboy, J.

2013-06-01T23:59:59.000Z

371

Analytical and Numerical Solutions for the Case of a Horizontal Well with a Radial Power-Law Permeability Distribution--Comparison to the Multi-Fracture Horizontal Case  

E-Print Network [OSTI]

............................................................................ 26 3.9 Log-log plot of the analytical pD solutions at tD=105 for a horizontal well producing at a constant rate, centered in a radial composite reservoir with a power-law permeability distribution in the inner region... for numerical simulation (radial increment = 2 cm) ............................................ 40 4.2 Log-log plot of qD vs. tD for a PPR with rs = 75 ft and a MFH with xf = 75 ft and 10 md-ft fracture conductivity...

Broussard, Ryan Sawyer

2013-02-08T23:59:59.000Z

372

Power law burst and inter-burst interval distributions in the solar wind: turbulence or dissipative SOC ?  

E-Print Network [OSTI]

We calculate for the first time the probability density functions (PDFs) P of burst energy e, duration T and inter-burst interval tau for a known turbulent system in nature. Bursts in the earth-sun component of the Poynting flux at 1 AU in the solar wind were measured using the MFI and SWE experiments on the NASA WIND spacecraft. We find P(e) and P(T) to be power laws, consistent with self-organised criticality (SOC). We find also a power law form for P(tau) that distinguishes this turbulent cascade from the exponential P(tau) of ideal SOC, but not from some other SOC-like sandpile models. We discuss the implications for the relation between SOC and turbulence.

M. P. Freeman; N. W. Watkins; D. J. Riley

2000-03-08T23:59:59.000Z

373

Dispersed power and renewables  

SciTech Connect (OSTI)

Distributed power generation and renewable energy sources are discussed: The following topics are discussed: distributed resources, distributed generation, commercialization requirements, biomass power, location of existing biomass feedstocks, biomass business plan components, North Carolina BGCC partnership, New York biomass co-firing project, alfalfa for power and feed, Hawaii Pioneer Mill LOI project, next steps for biomass, wind power activity, photovoltaic modules and arrays, lead-acid batteries, superconducting magnetic energy storage, fuel cells, and electric power industry trends.

O`Sullivan, J.B.

1995-12-31T23:59:59.000Z

374

Intelligent Radio Frequency (RF) Monitoring  

E-Print Network [OSTI]

? Intelligent Radio Frequency (RF) Monitoring ? 2009 Armstrong International, Inc. www.armstronginternational.com 2 ?Expect many enjoyable experiences!? David M. Armstrong Present Process Challenges ? Identifying a failure ? Procedure.... Armstrong Steam Trap Challenges ? Identifying a failure ? Manpower ? Location ? Magnitude of failure ? Energy loss ? Loss of heat transfer ? Justification for repair ? ?Speed of Implementation? ? Environmental concerns Manpower Location 4...

Kimbrough, B.

375

Toward Machines with Emotional Intelligence  

E-Print Network [OSTI]

intelligence could address several problems that exist today, while enabling better technologies for the future that is useless. You express a little more annoyance. He doesn't show any hint of noticing that you are annoyed useless advice. Perhaps when he first came in you started off with a very subtle expression of negativity

376

MIL Covers the Spectrum Intelligence  

E-Print Network [OSTI]

participated in the Association for Unmanned Vehicle Systems International (AUVSI) underwater vehicle (Robo, and summer robotics camps. Applications of MIL research include autonomous underwater vehicles (AUVsGator is an autonomous underwater vehicle project designed and built by students of UF's MIL. Machine Intelligence

Schwartz, Eric M.

377

Seasonal distribution of hybrid striped bass in a power-plant cooling reservoir and a comparison to red drum  

E-Print Network [OSTI]

. Management Unit Description Palmetto bass locations were independent of time of day (p&0. 9 spring, summer and fall; p& 0. 1 winter) and 20 homogeneous among fish (p& 0. 9 fall and spring; p& 0. 1 summer and winter). The relatively small reservoir size... Power-Plant Cooling Reservoir and a Comparison to Red Drum. (May 1993) Kevin Ray Piner, B. S. , Texas A&M at Galveston Chair of Advisory Committee: Dr. Brian R. Murphy P 1 ttob (Moro*~t' ' g, ~ho ) r th most commonly stocked hybrid striped bass...

Piner, Kevin Ray

1993-01-01T23:59:59.000Z

378

Recommended values for the distribution coefficient (Kd) to be used in dose assessments for decommissioning the Zion Nuclear Power Plant  

SciTech Connect (OSTI)

ZionSolutions is in the process of decommissioning the Zion Nuclear Power Plant. The site contains two reactor Containment Buildings, a Fuel Building, an Auxiliary Building, and a Turbine Building that may be contaminated. The current decommissioning plan involves removing all above grade structures to a depth of 3 feet below grade. The remaining underground structures will be backfilled. The remaining underground structures will contain low amounts of residual licensed radioactive material. An important component of the decommissioning process is the demonstration that any remaining activity will not cause a hypothetical individual to receive a dose in excess of 25 mrem/y as specified in 10CFR20 SubpartE.

Sullivan T.

2014-06-09T23:59:59.000Z

379

A deeper X-ray study of the core of the Perseus galaxy cluster: the power of sound waves and the distribution of metals and cosmic rays  

E-Print Network [OSTI]

We make a further study of the very deep Chandra observation of the X-ray brightest galaxy cluster, A426 in Perseus. We examine the radial distribution of energy flux inferred by the quasi-concentric ripples in surface brightness, assuming they are due to sound waves, and show that it is a significant fraction of the energy lost by radiative cooling within the inner 75-100 kpc, where the cooling time is 4-5 Gyr, respectively. The wave flux decreases outward with radius, consistent with energy being dissipated. Some newly discovered large ripples beyond 100 kpc, and a possible intact bubble at 170 kpc radius, may indicate a larger level of activity by the nucleus a few 100 Myr ago. The distribution of metals in the intracluster gas peaks at a radius of about 40 kpc and is significantly clumpy on scales of 5 kpc. The temperature distribution of the soft X-ray filaments and the hard X-ray emission component found within the inner 50 kpc are analysed in detail. The pressure due to the nonthermal electrons, responsible for a spectral component interpreted as inverse Compton emission, is high within 40 kpc of the centre and boosts the power in sound waves there; it drops steeply beyond 40 kpc. We find no thermal emission from the radio bubbles; in order for any thermal gas to have a filling factor within the bubbles exceeding 50 per cent, the temperature of that gas has to exceed 50 keV.

J. S. Sanders; A. C. Fabian

2007-08-15T23:59:59.000Z

380

EARLY AFTERGLOWS OF GAMMA-RAY BURSTS IN A STRATIFIED MEDIUM WITH A POWER-LAW DENSITY DISTRIBUTION  

SciTech Connect (OSTI)

A long-duration gamma-ray burst (GRB) has been widely thought to arise from the collapse of a massive star, and it has been suggested that its ambient medium is a homogenous interstellar medium (ISM) or a stellar wind. There are two shocks when an ultra-relativistic fireball that has been ejected during the prompt gamma-ray emission phase sweeps up the circumburst medium: a reverse shock that propagates into the fireball, and a forward shock that propagates into the ambient medium. In this paper, we investigate the temporal evolution of the dynamics and emission of these two shocks in an environment with a general density distribution of n?R {sup k} (where R is the radius) by considering thick-shell and thin-shell cases. A GRB afterglow with one smooth onset peak at early times is understood to result from such external shocks. Thus, we can determine the medium density distribution by fitting the onset peak appearing in the light curve of an early optical afterglow. We apply our model to 19 GRBs and find that their k values are in the range of 0.4-1.4, with a typical value of k ? 1, implying that this environment is neither a homogenous ISM with k = 0 nor a typical stellar wind with k = 2. This shows that the progenitors of these GRBs might have undergone a new mass-loss evolution.

Yi, Shuang-Xi; Dai, Zi-Gao [School of Astronomy and Space Science, Nanjing University, Nanjing 210093 (China); Wu, Xue-Feng, E-mail: dzg@nju.edu.cn [Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing 210008 (China)

2013-10-20T23:59:59.000Z

Note: This page contains sample records for the topic "intelligent distributed power" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


381

Intelligent Software Agents: Sensor Integration and Response  

SciTech Connect (OSTI)

Abstract In a post Macondo world the buzzwords are Integrity Management and Incident Response Management. The twin processes are not new but the opportunity to link the two is novel. Intelligent software agents can be used with sensor networks in distributed and centralized computing systems to enhance real-time monitoring of system integrity as well as manage the follow-on incident response to changing, and potentially hazardous, environmental conditions. The software components are embedded at the sensor network nodes in surveillance systems used for monitoring unusual events. When an event occurs, the software agents establish a new concept of operation at the sensing node, post the event status to a blackboard for software agents at other nodes to see , and then react quickly and efficiently to monitor the scale of the event. The technology addresses a current challenge in sensor networks that prevents a rapid and efficient response when a sensor measurement indicates that an event has occurred. By using intelligent software agents - which can be stationary or mobile, interact socially, and adapt to changing situations - the technology offers features that are particularly important when systems need to adapt to active circumstances. For example, when a release is detected, the local software agent collaborates with other agents at the node to exercise the appropriate operation, such as: targeted detection, increased detection frequency, decreased detection frequency for other non-alarming sensors, and determination of environmental conditions so that adjacent nodes can be informed that an event is occurring and when it will arrive. The software agents at the nodes can also post the data in a targeted manner, so that agents at other nodes and the command center can exercise appropriate operations to recalibrate the overall sensor network and associated intelligence systems. The paper describes the concepts and provides examples of real-world implementations including the Threat Detection and Analysis System (TDAS) at the International Port of Memphis and the Biological Warning and Incident Characterization System (BWIC) Environmental Monitoring (EM) Component. Technologies developed for these 24/7 operational systems have applications for improved real-time system integrity awareness as well as provide incident response (as needed) for production and field applications.

Kulesz, James J [ORNL; Lee, Ronald W [ORNL

2013-01-01T23:59:59.000Z

382

Supervisory, Intelligence Research Specialist Job Title: Supervisory, Intelligence Research Specialist  

Energy Savers [EERE]

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious RankCombustionImprovement Award Secretary's ImprovementSNL for the Used FuelSupervisory, Intelligence

383

An Intelligent Systems Approach to Reservoir Characterization  

SciTech Connect (OSTI)

Today, the major challenge in reservoir characterization is integrating data coming from different sources in varying scales, in order to obtain an accurate and high-resolution reservoir model. The role of seismic data in this integration is often limited to providing a structural model for the reservoir. Its relatively low resolution usually limits its further use. However, its areal coverage and availability suggest that it has the potential of providing valuable data for more detailed reservoir characterization studies through the process of seismic inversion. In this paper, a novel intelligent seismic inversion methodology is presented to achieve a desirable correlation between relatively low-frequency seismic signals, and the much higher frequency wireline-log data. Vertical seismic profile (VSP) is used as an intermediate step between the well logs and the surface seismic. A synthetic seismic model is developed by using real data and seismic interpretation. In the example presented here, the model represents the Atoka and Morrow formations, and the overlying Pennsylvanian sequence of the Buffalo Valley Field in New Mexico. Generalized regression neural network (GRNN) is used to build two independent correlation models between; (1) Surface seismic and VSP, (2) VSP and well logs. After generating virtual VSP's from the surface seismic, well logs are predicted by using the correlation between VSP and well logs. The values of the density log, which is a surrogate for reservoir porosity, are predicted for each seismic trace through the seismic line with a classification approach having a correlation coefficient of 0.81. The same methodology is then applied to real data taken from the Buffalo Valley Field, to predict inter-well gamma ray and neutron porosity logs through the seismic line of interest. The same procedure can be applied to a complete 3D seismic block to obtain 3D distributions of reservoir properties with less uncertainty than the geostatistical estimation methods. The intelligent seismic inversion method should help to increase the success of drilling new wells during field development.

Shahab D. Mohaghegh; Jaime Toro; Thomas H. Wilson; Emre Artun; Alejandro Sanchez; Sandeep Pyakurel

2005-08-01T23:59:59.000Z

384

Intelligent Generation | Open Energy Information  

Open Energy Info (EERE)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data CenterFranconia, Virginia: Energy Resources Jump to:46 - 429 Throttled (bot load) ErrorEnergyInnovation FuelsIntegratedAirIntelligent

385

Geospatial knowledge for territorial intelligence Pr. Robert Laurini Geospatial Knowledge  

E-Print Network [OSTI]

Geospatial knowledge for territorial intelligence Pr. Robert Laurini Geospatial Knowledge Management Objective: Sustainable development #12;Geospatial knowledge for territorial intelligence Pr;Geospatial knowledge for territorial intelligence Pr. Robert Laurini Generic and specific knowledge

Laurini, Robert

386

Geospatial Intelligence at the Environmental Protection Agency  

E-Print Network [OSTI]

Geospatial Intelligence at the Environmental Protection Agency Casey McLaughlin, GISP Mclaughlin.casey@epa.gov http://blog.epa.gov/bigbluethread GIS DAY 2012 2 Kansas Was an Ocean Protect Human Health and the Environment ? Develop... Whats GeoSpatial National Projects What we do regionally 4 http://nationalmap.gov/ustopo/history.html Cartography Roots 5 Chat Piles Waste Discharge EPA Cleans up Waste Geospatial Intelligence Geospatial Intelligence: it is the means...

McLaughlin, Casey

2013-01-24T23:59:59.000Z

387

Simulation framework for intelligent transportation systems  

SciTech Connect (OSTI)

A simulation framework has been developed for a large-scale, comprehensive, scaleable simulation of an Intelligent Transportation System (ITS). The simulator is designed for running on parallel computers and distributed (networked) computer systems, but can run on standalone workstations for smaller simulations. The simulator currently models instrumented smart vehicles with in-vehicle navigation units capable of optimal route planning and Traffic Management Centers (TMC). The TMC has probe vehicle tracking capabilities (display position and attributes of instrumented vehicles), and can provide two-way interaction with traffic to provide advisories and link times. Both the in-vehicle navigation module and the TMC feature detailed graphical user interfaces to support human-factors studies. Realistic modeling of variations of the posted driving speed are based on human factors studies that take into consideration weather, road conditions, driver personality and behavior, and vehicle type. The prototype has been developed on a distributed system of networked UNIX computers but is designed to run on parallel computers, such as ANL`s IBM SP-2, for large-scale problems. A novel feature of the approach is that vehicles are represented by autonomous computer processes which exchange messages with other processes. The vehicles have a behavior model which governs route selection and driving behavior, and can react to external traffic events much like real vehicles. With this approach, the simulation is scaleable to take advantage of emerging massively parallel processor (MPP) systems.

Ewing, T.; Doss, E.; Hanebutte, U.; Tentner, A.

1996-10-01T23:59:59.000Z

388

Advanced simulation of intelligent transportation systems  

SciTech Connect (OSTI)

A large-scale, comprehensive, scaleable simulation of an Intelligent Transportation System (ITS) has been developed which is capable of running on parallel computers and distributed (networked) computer systems. The simulator currently models instrumented {open_quotes}smart{close_quotes} vehicles with in-vehicle navigation units capable of optimal route planning and Traffic Management Centers (TMC). The TMC has probe vehicle tracking capabilities (display position and attributes of instrumented vehicles), and can provide two-way interaction with traffic to provide advisories and link times. Both the in-vehicle navigation module and the TMC feature detailed graphical user interfaces to support human-factors studies. The prototype has been developed on a distributed system of networked UNIX computers but is designed to run on parallel computers, such as ANL`s IBM SP-2, for large-scale problems. A novel feature of this approach is that vehicles are represented by autonomous computer processes which exchange messages with other processes. The vehicles have a behavior model which governs route selection and driving behavior, and can react to external traffic events much like real vehicles. With this approach, the simulation is scaleable to take advantage of emerging massively parallel processor (MPP) systems.

Ewing, T.; Doss, E.; Hanebutte, U.; Tentner, A. [Argonne National Lab., IL (United States)

1996-11-01T23:59:59.000Z

389

Large-scale Intelligent Transporation Systems simulation  

SciTech Connect (OSTI)

A prototype computer system has been developed which defines a high-level architecture for a large-scale, comprehensive, scalable simulation of an Intelligent Transportation System (ITS) capable of running on massively parallel computers and distributed (networked) computer systems. The prototype includes the modelling of instrumented ``smart`` vehicles with in-vehicle navigation units capable of optimal route planning and Traffic Management Centers (TMC). The TMC has probe vehicle tracking capabilities (display position and attributes of instrumented vehicles), and can provide 2-way interaction with traffic to provide advisories and link times. Both the in-vehicle navigation module and the TMC feature detailed graphical user interfaces to support human-factors studies. The prototype has been developed on a distributed system of networked UNIX computers but is designed to run on ANL`s IBM SP-X parallel computer system for large scale problems. A novel feature of our design is that vehicles will be represented by autonomus computer processes, each with a behavior model which performs independent route selection and reacts to external traffic events much like real vehicles. With this approach, one will be able to take advantage of emerging massively parallel processor (MPP) systems.

Ewing, T.; Canfield, T.; Hannebutte, U.; Levine, D.; Tentner, A.

1995-06-01T23:59:59.000Z

390

Intelligence support to arms control. Study project  

SciTech Connect (OSTI)

This paper argues that intelligence support is critical to the success of arms control. It identifies and describes the roles of intelligence in the arms control process, describes the existing intelligence organizational structure for arms control support, and identifies and analyzes issues. The roles include support to policy formulation, support to treaty negotiation, support to ratification, and finally, during verification, support for the implementation of the treaty through monitoring. The Director of Central Intelligence is responsible for monitoring, while the Arms Control and Disarmament Agency has responsibility for verification. Adjudication of conflicting interpretations occurs within the NSC committee structure. For several reasons, intelligence cannot be expected to do the actual verification of an arms control treaty. Most importantly, determination of an acceptable degree of confidence is always a political issue, although based on military judgement. Assigning intelligence responsibility for monitoring, rather than verification, helps to limit the politicization of intelligence. Issues identified during the research for this paper were analyzed within three subgroups: those inherent in the intelligence discipline; these must be managed successfully to limit adverse impact on intelligence products. Second, issues and challenges inherent in arms control bureaucratic relationships; these are best managed by keeping separate the actual monitoring analysis and verification this gives the West justification for caution, and reinforces the need for continued emphasis on verification.

Grisham, A.E.

1990-04-09T23:59:59.000Z

391

Management and Control of Foreign Intelligence  

Broader source: Directives, Delegations, and Requirements [Office of Management (MA)]

The order provides for the management of and assign responsibilities for foreign intelligence activities of DOE. Cancels DOE 5670.1.

1992-01-15T23:59:59.000Z

392

6.034 Artificial Intelligence, Spring 2003  

E-Print Network [OSTI]

Introduces representations, techniques, and architectures used to build applied systems and to account for intelligence from a computational point of view. Applications of rule chaining, heuristic search, constraint ...

Lozano-Perez, Tomas

393

Intelligence & Counterintelligence (WFP) | Department of Energy  

Broader source: Energy.gov (indexed) [DOE]

future. Intelligence & Counterintelligence Responsible Contacts Thomas Wheeler Director, Workforce Analysis & Planning Division E-mail thomas.wheeler@hq.doe.gov Phone (202)...

394

Automatic selection of tuning parameters in wind power prediction  

E-Print Network [OSTI]

Automatic selection of tuning parameters in wind power prediction Lasse Engbo Christiansen (lec Report number: IMM-Technical Report-2007-12 Project title: Intelligent wind power prediction systems PSO The wind power forecasting system developed at DTU - the Wind Power Prediction Tool (WPPT) - predicts

395

artificial intelligence consortium: Topics by E-print Network  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

cycle, artificial intelligence. 1 INTRODUCTION Paris-Sud XI, Universit de 142 Alan Turing and the development of Artificial Intelligence Computer Technologies and...

396

artificial intelligence technical: Topics by E-print Network  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

cycle, artificial intelligence. 1 INTRODUCTION Paris-Sud XI, Universit de 155 Alan Turing and the development of Artificial Intelligence Computer Technologies and...

397

artificial intelligence expert: Topics by E-print Network  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

cycle, artificial intelligence. 1 INTRODUCTION Paris-Sud XI, Universit de 155 Alan Turing and the development of Artificial Intelligence Computer Technologies and...

398

artificial intelligence workflow: Topics by E-print Network  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

cycle, artificial intelligence. 1 INTRODUCTION Paris-Sud XI, Universit de 143 Alan Turing and the development of Artificial Intelligence Computer Technologies and...

399

artificial intelligence methods: Topics by E-print Network  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

cycle, artificial intelligence. 1 INTRODUCTION Paris-Sud XI, Universit de 149 Alan Turing and the development of Artificial Intelligence Computer Technologies and...

400

artificial intelligence method: Topics by E-print Network  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

cycle, artificial intelligence. 1 INTRODUCTION Paris-Sud XI, Universit de 149 Alan Turing and the development of Artificial Intelligence Computer Technologies and...

Note: This page contains sample records for the topic "intelligent distributed power" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


401

applied artificial intelligence: Topics by E-print Network  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

cycle, artificial intelligence. 1 INTRODUCTION Paris-Sud XI, Universit de 155 Alan Turing and the development of Artificial Intelligence Computer Technologies and...

402

artificial intelligence tools: Topics by E-print Network  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

cycle, artificial intelligence. 1 INTRODUCTION Paris-Sud XI, Universit de 163 Alan Turing and the development of Artificial Intelligence Computer Technologies and...

403

artificial intelligence search: Topics by E-print Network  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

cycle, artificial intelligence. 1 INTRODUCTION Paris-Sud XI, Universit de 164 Alan Turing and the development of Artificial Intelligence Computer Technologies and...

404

National Air & Space Intelligence Center Holds Program About...  

Broader source: Energy.gov (indexed) [DOE]

Intelligence Agency Support Team in September 2013. Photo by National Air and Space Intelligence Center. Dot Harris, Director of the Office of Economic Impact and...

405

applying swarm intelligence: Topics by E-print Network  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Correll; Alcherio Martinoli 2005-01-01 35 Applied Virtual Intelligence in Oil & Gas Industry; Fossil Fuels Websites Summary: ;7 Shahab D. Mohaghegh, WVU Virtual Intelligence Also...

406

artificial intelligence ai: Topics by E-print Network  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

1628 February, 1999 A Binocular, Foveated Active Vision System Brian Scassellati MIT Artificial Intelligence Lab project at the MIT Artificial Intelligence Laboratory. The ac- tive...

407

artificial intelligence based: Topics by E-print Network  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Introduction Qu, Rong 14 An artificial intelligence approach to model-based gas lift troubleshooting Texas A&M University - TxSpace Summary: AN ARTIFICIAL INTELLIGENCE...

408

Artificial Intelligence 114 (1999) 297347 An articulate virtual laboratory for engineering  

E-Print Network [OSTI]

, such as power plants, propulsion systems, refrigerators, and heat pumps, and the study of thermodynamic cyclesArtificial Intelligence 114 (1999) 297­347 CyclePad: An articulate virtual laboratory CyclePad, a fully implemented articulate virtual laboratory that captures a substantial fraction

Forbus, Kenneth D.

409

Ris Energy Report 8 The intelligent energy system infrastructure for the future  

E-Print Network [OSTI]

Risø Energy Report 8 The intelligent energy system infrastructure for the future Dansk oversættelse Sønderberg Petersen #12;Risø Energy Report 5 Renewable energy for power and transport Den globale Report 5, som sætter fokus på status og tendenser inden for vedvarende energi. Rapporten giver et

410

Proceedings, Florida Artificial Intelligence Research Symposium, USA, 1999 Improving Technical Analysis Predictions: An Application of Genetic  

E-Print Network [OSTI]

analysis may have merit to predictability of stock. Technical rules are widely used for market assessment. In this paper, to explore the potential prediction power of technical analysis, we present a genetic programmingProceedings, Florida Artificial Intelligence Research Symposium, USA, 1999 Improving Technical

Boetticher, Gary D.

411

Responsive and Intelligent Building Information and Control for Low-Energy  

E-Print Network [OSTI]

that greatly reduce energy use and peak electric power in buildings while providing or improving the services operations. This paper provides an overview of research on intelligent energy information and control systems for the same percentage of greenhouse gas emissions, and account for about 70 percent of electricity use

412

AN INTELLIGENT SYSTEM FOR DETECTION OF NON-TECHNICAL LOSSES IN TENAGA NASIONAL BERHAD (TNB) MALAYSIA LOW VOLTAGE  

E-Print Network [OSTI]

Electricity consumer dishonesty is a problem faced by all power utilities worldwide. Finding efficient. This thesis presents a new approach towards Non-Technical Loss (NTL) detection in power utilities usingAN INTELLIGENT SYSTEM FOR DETECTION OF NON-TECHNICAL LOSSES IN TENAGA NASIONAL BERHAD (TNB

Ducatelle, Frederick

413

Experimental validation of 3D reconstructed pin-power distributions in full-scale BWR fuel assemblies with partial length rods  

SciTech Connect (OSTI)

Total fission rate measurements have been performed on full-size BWR fuel assemblies of type SVEA-96 Optima2 in the framework of Phase III of the LWR-PROTEUS experimental program at the Paul Scherrer Inst.. This paper presents comparisons of calculated, nodal reconstructed, pin-wise total-fission rate distributions with experimental results. Radial comparisons have been performed for the three sections of the assembly (96, 92 and 84 fuel pins), while three-dimensional effects have been investigated at pellet-level for the two transition regions, i.e. the tips of the short (1/3) and long (2/3) partial length rods. The test zone has been modeled using two different code systems: HELIOS/PRESTO-2 and CASMO-5/SIMULATE-5. The first is presently used for core monitoring and design at the Leibstadt Nuclear Power Plant (KKL). The second represents the most recent generation of the widely applied CASMO/SIMULATE system. For representing the PROTEUS test-zone boundaries, Partial Current Ratios (PCRs) - derived from a 3D MCNPX model of the entire reactor - have been applied to the PRESTO-2 and SIMULATE-5 models in the form of 2- and 5-group diagonal albedo matrices, respectively. The MCNPX results have also served as a reference, high-order transport solution in the calculation/experiment comparisons. It is shown that the performance of the nodal methodologies in predicting the global distribution of the total-fission rate is very satisfactory. Considering the various radial comparisons, the standard deviations of the calculated/experimental (C/E) distributions do not exceed 1.9% for any of the three methodologies - PRESTO-2, SIMULATE-5 and MCNPX. For the three-dimensional comparisons at pellet-level, the corresponding standard deviations are 2.7%, 2.0% and 2.1%, respectively. (authors)

Giust, F. D. [Axpo Kernenergie, Parkstrasse 23, CH-5401 Baden (Switzerland); Swiss Federal Inst. of Technology EPFL, CH-1015 Lausanne (Switzerland); Grimm, P. [Paul Scherrer Inst., CH-5232 Villigen (Switzerland); Chawla, R. [Paul Scherrer Inst., CH-5232 Villigen (Switzerland); Swiss Federal Inst. of Technology (EPFL), CH-1015 Lausanne (Switzerland)

2012-07-01T23:59:59.000Z

414

Distribution of small dispersive coal dust particles and absorbed radioactive chemical elements in conditions of forced acoustic resonance in iodine air filter at nuclear power plant  

E-Print Network [OSTI]

The physical features of distribution of the small dispersive coal dust particles and the adsorbed radioactive chemical elements and their isotopes in the absorber with the granular filtering medium with the cylindrical coal granules were researched in the case of the intensive air dust aerosol stream flow through the iodine air filter (IAF). It was shown that, at the certain aerodynamic conditions in the IAF, the generation of the acoustic oscillations is possible. It was found that the acoustic oscillations generation results in an appearance of the standing acoustic waves of the air pressure (density) in the IAF. In the case of the intensive blow of the air dust aerosol, it was demonstrated that the standing acoustic waves have some strong influences on both: 1) the dynamics of small dispersive coal dust particles movement and their accumulation in the IAF; 2) the oversaturation of the cylindrical coal granules by the adsorbed radioactive chemical elements and their isotopes in the regions, where the antinodes of the acoustic waves are positioned. Finally, we completed the comparative analysis of the theoretical calculations with the experimental results, obtained for the cases of: 1) the experimental aerodynamic modeling of physical processes of the absorbed radioactive chemical elements and their isotopes distribution in the IAF; and 2) the gamma-activation spectroscopy analysis of the absorbed radioactive chemical elements and their isotopes distribution in the IAF. We made the innovative propositions on the necessary technical modifications with the purpose to improve the IAF technical characteristics and increase its operational time at the nuclear power plant (NPP), going from the completed precise characterization of the IAF parameters at the long term operation.

Oleg P. Ledenyov; Ivan M. Neklyudov

2013-06-14T23:59:59.000Z

415

Distributed Energy Resources for Carbon Emissions Mitigation  

E-Print Network [OSTI]

carbon tax, combined heat and power, distributed energyuseful heat in combined heat and power systems, thermally-fossil-fuel based combined heat and power (CHP), thermally-

Firestone, Ryan; Marnay, Chris

2008-01-01T23:59:59.000Z

416

Service-based Systems Management: Using CORBA as a Middleware for Intelligent Agents  

E-Print Network [OSTI]

Service-based Systems Management: Using CORBA as a Middleware for Intelligent Agents NMM TEAM@informatik.uni-muenchen.de Proceedings of the IFIP/IEEE International Workshop on Distributed Systems: Operations & Management, L (CORBA) which is gaining increasing impor- tance in the field of network and systems management

417

Provable Systemwide Safety in Intelligent Intersections Hemant Kowshik, Derek Caveney, and P. R. Kumar  

E-Print Network [OSTI]

for each car a set of cars whose worst case behaviors it should guard against. The architecture is hybrid are removed, and cars negotiate the intersection through an interac- tion of centralized and distributed decision making. Intelligent intersections are representative of complex hybrid systems

418

Aviation Safety Program Integrated Intelligent Flight Deck  

E-Print Network [OSTI]

Safety, Integrated Intelligent Flight Deck research project. It contains reference to past work as the other elements of NASA's Aviation Safety Program (AvSP). Without an integrated working relationshipAviation Safety Program Integrated Intelligent Flight Deck Technical Plan Summary Principal

419

Intelligibility enhancement of synthetic speech in noise  

E-Print Network [OSTI]

Intelligibility enhancement of synthetic speech in noise C´assia Valentini Botinh~ao TH E U N I V E of a hidden Markov model (HMM-) based speech synthesis system that allows for flexible enhancement strategies with noise-independent enhancement approaches based on the acoustics of highly intelligible speech

Edinburgh, University of

420

ADVANCING THE SEARCH FOR EXTRATERRESTRIAL INTELLIGENCE  

E-Print Network [OSTI]

ADVANCING THE SEARCH FOR EXTRATERRESTRIAL INTELLIGENCE Jill Tarter SETI Institute 515 N. Whisman ­ Space Sciences Lab, UC Berkeley #12;Advancing the Search for Extraterrestrial Intelligence Executive with the sentence "The probability of success is difficult to estimate, but if we never search, the chance

Note: This page contains sample records for the topic "intelligent distributed power" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


421

Intelligence team given national honor  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsruc DocumentationP-SeriesFlickrinformation for and NovelFEG-SEM with0, FirstIntelligence team given

422

To appear in IET Generation, Transmission and Distribution, special issue on "Markets and Economics in Power Systems" 1 Abstract: This paper proposes a novel reactive power dispatch model that takes into account both the technical and  

E-Print Network [OSTI]

-Defining the Reactive Power Dispatch Problem in the Context of Competitive Electricity Markets C. A. Cañizares K in Power Systems" 1 Abstract: This paper proposes a novel reactive power dispatch model that takes into account both the technical and economical aspects associated with reactive power dispatch in the context

Cañizares, Claudio A.

423

Distributed Energy Fuel Cells Electricity Users  

E-Print Network [OSTI]

Distributed Power Package Unit: Fuel Processing Based On Autothermal Cyclic Reforming Proton Conducting

424

The characterization of flow regimes with power spectral density distributions of pressure fluctuations during condensation in smooth and micro-fin tubes  

SciTech Connect (OSTI)

This paper presents an objective predictor of the prevailing flow regime during refrigerant condensation inside smooth-, micro-fin and herringbone tubes. The power spectral density (PSD) distribution of the fluctuating condensing pressure signal was used to predict the prevailing flow regime, as opposed to the traditional (and subjective) use of visual-only methods, and/or smooth-tube flow regime maps. The prevailing flow regime was observed by using digital cameras and was validated with the use of the conventional smooth-tube flow regime transition criteria, Froude rate criteria, as well as a new flow regime map that was developed for micro-fin tube condensation. Experimental work was conducted for condensing R-22, R-407C, and R-134a at an average saturation temperature of 40{sup o}C with mass fluxes ranging from 300 to 800kg/m{sup 2}s, and with vapour qualities ranging from 0.85-0.95 at condenser inlet to 0.05-0.15 at condenser outlet. Tests were conducted with one smooth-tube condenser and three micro-fin tube condensers (with helix angles of 10{sup o}, 18{sup o}, and 37{sup o}, respectively). It is shown that the micro-fin tubes cause a delay in the transition from annular to intermittent flow by at least 19% (compared to the smooth tube), thus significantly contributing to the enhancement of heat transfer. (author)

Liebenberg, Leon; Meyer, Josua P. [Department of Mechanical and Aeronautical Engineering, University of Pretoria, Pretoria 0002 (South Africa)

2006-11-15T23:59:59.000Z

425

Argonne simulation framework for intelligent transportation systems  

SciTech Connect (OSTI)

A simulation framework has been developed which defines a high-level architecture for a large-scale, comprehensive, scalable simulation of an Intelligent Transportation System (ITS). The simulator is designed to run on parallel computers and distributed (networked) computer systems; however, a version for a stand alone workstation is also available. The ITS simulator includes an Expert Driver Model (EDM) of instrumented ``smart`` vehicles with in-vehicle navigation units. The EDM is capable of performing optimal route planning and communicating with Traffic Management Centers (TMC). A dynamic road map data base is sued for optimum route planning, where the data is updated periodically to reflect any changes in road or weather conditions. The TMC has probe vehicle tracking capabilities (display position and attributes of instrumented vehicles), and can provide 2-way interaction with traffic to provide advisories and link times. Both the in-vehicle navigation module and the TMC feature detailed graphical user interfaces that includes human-factors studies to support safety and operational research. Realistic modeling of variations of the posted driving speed are based on human factor studies that take into consideration weather, road conditions, driver`s personality and behavior and vehicle type. The simulator has been developed on a distributed system of networked UNIX computers, but is designed to run on ANL`s IBM SP-X parallel computer system for large scale problems. A novel feature of the developed simulator is that vehicles will be represented by autonomous computer processes, each with a behavior model which performs independent route selection and reacts to external traffic events much like real vehicles. Vehicle processes interact with each other and with ITS components by exchanging messages. With this approach, one will be able to take advantage of emerging massively parallel processor (MPP) systems.

Ewing, T.; Doss, E.; Hanebutte, U.; Canfield, T.; Brown-VanHoozer, A.; Tentner, A.

1996-04-01T23:59:59.000Z

426

This document downloaded from www.microgrids.et.aau.dk is a preprint version from the paper: L. Meng, T. Dragicevic, J.M. Guerrero, J.C. Vasquez, M. Savaghebi, F. Tang, "Agent-based distributed unbalance compensation for optimal power quality in  

E-Print Network [OSTI]

-based Distributed Unbalance Compensation for Optimal Power Quality in Islanded Microgrids Lexuan Meng, Tomislav, the distributed generators (DG) can be used as distributed compensators so as to compensate the voltage unbalances as to compensate the unbalances at the critical bus. In case of microgrids, distributed generators (DGs) can

Vasquez, Juan Carlos

427

E-Print Network 3.0 - artificial intelligence canberra Sample...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

intelligence canberra Page: << < 1 2 3 4 5 > >> 1 Artificial Intelligence for the Smart Grid Summary: Artificial Intelligence for the Smart Grid NICTA is developing...

428

Electric Power Controller for Steering Wheel Management in Electric Cars  

E-Print Network [OSTI]

Electric Power Controller for Steering Wheel Management in Electric Cars Vicente Milanés, Joshué-- Autonomous vehicles, Power control, System analysis and design, Intelligent transportation systems. I they are named hydraulic power steering (HPS) systems. If an electric motor is used then they are named electric

Paris-Sud XI, Université de

429

Completion report harmonic analysis of electrical distribution systems  

SciTech Connect (OSTI)

Harmonic currents have increased dramatically in electrical distribution systems in the last few years due to the growth in non-linear loads found in most electronic devices. Because electrical systems have been designed for linear voltage and current waveforms; (i.e. nearly sinusoidal), non-linear loads can cause serious problems such as overheating conductors or transformers, capacitor failures, inadvertent circuit breaker tripping, or malfunction of electronic equipment. The U.S. Army Center for Public Works has proposed a study to determine what devices are best for reducing or eliminating the effects of harmonics on power systems typical of those existing in their Command, Control, Communication and Intelligence (C3I) sites.

Tolbert, L.M.

1996-03-01T23:59:59.000Z

430

Predicting confusions and intelligibility of noisy speech  

E-Print Network [OSTI]

Current predictors of speech intelligibility are inadequate for making predictions of speech confusions caused by acoustic interference. This thesis is inspired by the need for a capability to understand and predict speech ...

Messing, David P. (David Patrick), 1979-

2007-01-01T23:59:59.000Z

431

Artificial Intelligence for the Smart Grid  

E-Print Network [OSTI]

Artificial Intelligence for the Smart Grid NICTA is developing technology to automate costs. The Future Cover more of Smart Grid control (diagnosis, reconfiguration, protection, voltage) products for the Smart Grid. Contact Details: Technical Jussi Rintanen Canberra Research Laboratory Tel

432

Intelligibility enhancement of synthetic speech in noise  

E-Print Network [OSTI]

, providing the correct information in adverse conditions can be crucial to certain applications. Speech that adapts or reacts to different listening conditions can in turn be more expressive and natural. In this work we focus on enhancing the intelligibility...

Valentini Botinha?o, Ca?ssia

2013-11-28T23:59:59.000Z

433

Intelligent Transportation Systems Deployment Statistics Database  

E-Print Network [OSTI]

Intelligent Transportation Systems Deployment Statistics Database Oak Ridge National Laboratory direction. In addition, through the ITS Deployment Tracking web site, the database supports other users in 2010. Users can also download the entire 2010 deployment tracking database through the website

434

Intelligent interface for design and simulation  

SciTech Connect (OSTI)

We are developing a system composed of intelligent interfaces, expert systems, and databases that uses artificial intelligence techniques to simplify the use of large simulation codes and to help design complicated physical devices. The simulation codes are used in analyzing and designing weapons, and the devices are themselves parts of weapon systems. From a designer's point of view, the simulation process is the same no matter what is being simulated. In the course of developing two intelligent interfaces for the design of nuclear weapons, we have found that data-driven programming is a useful technique for implementing an open-ended user interface to assist the designer. We discuss the simulation process as it is done now and as it could be done with intelligent interfaces. We then discuss the use of data-driven programming in a database environment to support an interface for an arbitrary number of simulation codes. 3 figs.

Draisin, W.; Peter, E.

1986-01-01T23:59:59.000Z

435

Progressing for Intelligent to Smart Buildings  

E-Print Network [OSTI]

This paper addresses the issue of the misunderstandings surrounding the terms intelligent and smart when applied to modern buildings. The terms have increasingly been used interchangeably which has led to confusion for designers, researchers...

Buckman, A. H.; Mayfield, M.; Meijer, R.; Beck, S. B. M.

2013-01-01T23:59:59.000Z

436

6.034 Artificial Intelligence, Fall 2006  

E-Print Network [OSTI]

6.034 is the header course for the department's "Artificial Intelligence and Applications" concentration. This course introduces students to the basic knowledge representation, problem solving, and learning methods of ...

Winston, Patrick Henry

437

Developmental Cost for Models of Intelligence  

E-Print Network [OSTI]

We can evaluate models of natural intelligence, as well as theirindividual components, by using a model of hardware and developmentcosts, ignoring almost all the details of biology. The basic argumentis that neither the ...

Beal, Jacob

2007-05-15T23:59:59.000Z

438

Power superconducting power transmission cable  

DOE Patents [OSTI]

The present invention is for a compact superconducting power transmission cable operating at distribution level voltages. The superconducting cable is a conductor with a number of tapes assembled into a subconductor. These conductors are then mounted co-planarly in an elongated dielectric to produce a 3-phase cable. The arrangement increases the magnetic field parallel to the tapes thereby reducing ac losses.

Ashworth, Stephen P. (Cambridge, GB)

2003-01-01T23:59:59.000Z

439

Extrasolar Asteroid Mining as Forensic Evidence for Extraterrestrial Intelligence  

E-Print Network [OSTI]

The development of civilisations like ours into spacefaring, multi-planet entities requires significant raw materials to construct vehicles and habitats. Interplanetary debris, including asteroids and comets, may provide such a source of raw materials. In this article we present the hypothesis that extraterrestrial intelligences (ETIs) engaged in asteroid mining may be detectable from Earth. Considering the detected disc of debris around Vega as a template, we explore the observational signatures of targeted asteroid mining (TAM), such as unexplained deficits in chemical species, changes in the size distribution of debris and other thermal signatures which may be detectable in the spectral energy distribution (SED) of a debris disc. We find that individual observational signatures of asteroid mining can be explained by natural phenomena, and as such they cannot provide conclusive detections of ETIs. But, it may be the case that several signatures appearing in the same system will prove harder to model without...

Forgan, Duncan

2011-01-01T23:59:59.000Z

440

The design of a traffic control system with distributed intelligence  

E-Print Network [OSTI]

' IN 0 4 9 6 C M 21 SOO/10 4500 / 5 FD I * ~ /00 I 505 12 M * I/tl C M lt M 5M $50C'M * ' 0 I 273 D3 n D?OI 0 I 0' d D M2C/0 M 60 1033 M 01 2021 30 OCM M IMO F 0- ~ 3 2011 0 5 I * Ml 0- ~ 50 Ot'M 2010...

Tietjen, Donald Louis

1973-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "intelligent distributed power" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


441

Tethys: A Distributed Algorithm for Intelligent Aggregation in Sensor Networks  

E-Print Network [OSTI]

energy than a naive, shortest-path tree due to the increased computation energy cost for performing.uiuc.edu, harris@dei.unipd.it, rhk@cs.uiuc.edu Abstract-- One key issue in wireless sensor networks is energy efficiency. Aggregation techniques attempt to minimize the energy expended in communication by processing

Kravets, Robin

442

Intelligent Control of Flexible Manufacturing Systems using a Distributed Architecture  

E-Print Network [OSTI]

, in an automated manufacturing plant, the controller sends commands to each machine to perform certain tasks of machines within it. We also assume that each machine in the plant can perform a variety of tasks. And for each task in the process plan there may be several machines that can perform the same task. Furthermore

Gonzalez, Fernando

443

Developing Geospatial Intelligence Stewardship for Multinational Operations  

E-Print Network [OSTI]

Developing Geospatial Intelligence Stewardship for Multinational Operations Jeff Thomas, BA, MPPA, MS Major, US Army Corps of Engineers Student, Space Operations US Army Command & General Staff College Fort Leavenworth, Kansas GIS Day @ KU Nov 18..., 2009 GEOINT Stewardship The practice and responsibility of assuring decision makers that geospatial intelligence resources are properly utilized and developed. I propose That a higher level of cognitive understanding for GEOINT comprehension...

Thomas, Jeff

2009-11-18T23:59:59.000Z

444

Hypermodular Distributed Solar Power Satellites -- Exploring a Technology Option for Near-Term LEO Demonstration and GLPO Full-Scale Plants  

E-Print Network [OSTI]

This paper presents a new and innovative design for scaleable space solar power systems based on satellite self-assembly and microwave spatial power combination. Lower system cost of utility-scale space solar power is achieved by independence of yet-to-be-built in-space assembly and transportation infrastructure. Using current and expected near-term technology, this study explores a design for near-term space solar power low-Earth orbit demonstrators and for mid-term utility-scale power plants in geosynchronous Laplace plane orbits. High-level economic considerations in the context of current and expected future launch costs are given as well.

Leitgab, Martin

2013-01-01T23:59:59.000Z

445

Estimation of steady-state and transcient power distributions for the RELAP analyses of the 1963 loss-of-flow and loss-of-pressure tests at BR2.  

SciTech Connect (OSTI)

To support the safety analyses required for the conversion of the Belgian Reactor 2 (BR2) from highly-enriched uranium (HEU) to low-enriched uranium (LEU) fuel, the simulation of a number of loss-of-flow tests, with or without loss of pressure, has been undertaken. These tests were performed at BR2 in 1963 and used instrumented fuel assemblies (FAs) with thermocouples (TC) imbedded in the cladding as well as probes to measure the FAs power on the basis of their coolant temperature rise. The availability of experimental data for these tests offers an opportunity to better establish the credibility of the RELAP5-3D model and methodology used in the conversion analysis. In order to support the HEU to LEU conversion safety analyses of the BR2 reactor, RELAP simulations of a number of loss-of-flow/loss-of-pressure tests have been undertaken. Preliminary analyses showed that the conservative power distributions used historically in the BR2 RELAP model resulted in a significant overestimation of the peak cladding temperature during the transient. Therefore, it was concluded that better estimates of the steady-state and decay power distributions were needed to accurately predict the cladding temperatures measured during the tests and establish the credibility of the RELAP model and methodology. The new approach ('best estimate' methodology) uses the MCNP5, ORIGEN-2 and BERYL codes to obtain steady-state and decay power distributions for the BR2 core during the tests A/400/1, C/600/3 and F/400/1. This methodology can be easily extended to simulate any BR2 core configuration. Comparisons with measured peak cladding temperatures showed a much better agreement when power distributions obtained with the new methodology are used.

Dionne, B.; Tzanos, C. P. (Nuclear Engineering Division)

2011-05-23T23:59:59.000Z

446

BUSINESS INTELLIGENCE AS AN INNOVATIVE COMPUTER TOOL FOR SUPPORTING DECISIONS IN SME  

E-Print Network [OSTI]

BUSINESS INTELLIGENCE AS AN INNOVATIVE COMPUTER TOOL FOR SUPPORTING DECISIONS IN SME Justyna the model of sustainable development of SME based on using Business Intelligence as an innovative computer Management, Business Intelligence, SME BUSINESS INTELLIGENCE JAKO PRZYKLAD INNOWACYJNEGO NARZDZIA

447

Making Products Active with Intelligent Agents for Supporting PLM Making Products Active with Intelligent Agents for  

E-Print Network [OSTI]

Making Products Active with Intelligent Agents for Supporting PLM Making Products Active with Intelligent Agents for Supporting Product Lifecycle Management Martin G. Marchetta1 , Frdrique Mayer2, in order for enterprises to increase their productivity and be more competitive in front of shorter due

Paris-Sud XI, Universit de

448

FUTURE POWER GRID INITIATIVE An Intelligent Agent Platform  

E-Print Network [OSTI]

Sequencing For Managing Demand/Response IMPACT VOLTTRON fills the need for an independent language agnostic. This will allow customers, building owners, utilities, etc. to realize better energy efficiency and reliability the integrating platform for a DOE funded project combining multiple labs and vendors for building energy

449

Parasol and GreenSwitch: Managing Datacenters Powered by Renewable Energy  

E-Print Network [OSTI]

Parasol and GreenSwitch: Managing Datacenters Powered by Renewable Energy ´I~nigo Goiri, William the renewable energy supply. For highest benefits, green datacenter operators must intelligently manage with Parasol, GreenSwitch, and MapReduce workloads demonstrate that intelligent workload and energy source

450

E-Print Network 3.0 - advanced ground intelligent Sample Search...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

comprehensive intelligence possible. During force projection... and security operations: conduct decentralized operations, integrate intelligence and operations, conduct...

451

System design and dynamic signature identification for intelligent energy management in residential buildings.  

E-Print Network [OSTI]

for Intelligent Energy Management in Residential Buildingsfor Intelligent Energy Management in Residential Buildingsthat can provide autonomous energy management to residential

Jang, Jaehwi

2008-01-01T23:59:59.000Z

452

Survey of Emissions Models for Distributed Combined Heat and...  

Broader source: Energy.gov (indexed) [DOE]

Survey of Emissions Models for Distributed Combined Heat and Power Systems, 2007 Survey of Emissions Models for Distributed Combined Heat and Power Systems, 2007 The models...

453

Zihan Xu xuz@seas.wustl.edu (A survey paper written under guidance of Prof. Raj Jain) Since the existing power grid is designed neither by latest technologies nor to comply with rapidly climate changes, a new intelligent power grid is  

E-Print Network [OSTI]

conservation and increase efficiency, renewable energy utilization. Section 1.1 describes the issues.2 Integration among Energies and Devices 3.3 Consumer Participation 3.4 Improved Reliability 4. Perspectives electricity power systems that have been served us for a long time will soon reach their limitations

Jain, Raj

454

The Power of Non-Uniform Wireless Power  

E-Print Network [OSTI]

The Power of Non-Uniform Wireless Power ETH Zurich ­ Distributed Computing Group Magnus M-To-Interference-Plus-Noise Ratio (SINR) Formula Minimum signal- to-interference ratio Power level of sender u Path-loss exponent Noise Distance between two nodes Received signal power from sender Received signal power from all other

455

IEEE TRANSACTIONS ON PATTERN ANALYSIS AND MACHINE INTELLIGENCE, VOL. 20, NO. 3, MARCH 1998 281 A Hierarchical Latent Variable Model  

E-Print Network [OSTI]

of multivariate data. Most visualization algorithms aim to find a projection from the data space down to a twoIEEE TRANSACTIONS ON PATTERN ANALYSIS AND MACHINE INTELLIGENCE, VOL. 20, NO. 3, MARCH 1998 281--Visualization has proven to be a powerful and widely-applicable tool for the analysis and interpretation

Bishop, Christopher M.

456

Knowledge-based intelligent controller architecture for a real-time dynamic system  

E-Print Network [OSTI]

Painter (Chair ol' Committee) c L C c Sallie Sheppard (iVIember) Shiping Li (3''Iernber) Karen Watson (itlember) Jo Howze (flea d of Department) ivlay 1990 ABSTRACT Ifnov, ledge-Base&i Intelligent Controller Architecturr. for a Real... of the Power System 'vlodel 1. The Circuit Itlodel 2. Continuous-Time State Analysis 3. Discretization 4. Feedback o. Simulation Peculis, rities . . 9 . . . 9 . . . 19 . . . 30 . 33 III. IIvIPLEUIEVTATIOrV OF THE ItVTELLIGEXT CONTROLLER . . . . . 39...

Glass, Emily Ann

1990-01-01T23:59:59.000Z

457

Intelligent Transportation Systems: Saving Lives, Time and Money Kristin Tufte  

E-Print Network [OSTI]

Intelligent Transportation Systems: Saving Lives, Time and Money Kristin Tufte Portland State University Oregon Transportation Summit Sept 10, 2010 #12;Intelligent Transportation Systems: Saving Lives, Time and Money Official transportation data archive for the Portland-Vancouver metropolitan region

Bertini, Robert L.

458

Intelligence-policy relations and the problem of politicization  

E-Print Network [OSTI]

A growing literature in international relations theory explores how domestic institutions filter and mediate international signals. The study of intelligence-policy relations fits naturally into this mold, because intelligence ...

Rovner, Joshua Randall

2008-01-01T23:59:59.000Z

459

An Information Visualization Approach to Intelligent Building Assessment  

E-Print Network [OSTI]

This paper presents a Knowledge-oriented Information Visualization (KIV) approach to facilitating the implementation of building rating systems such as the Asian Intelligent Building Index (AIIB) for the post-assessment of Intelligent Buildings (IBs...

Hong, J.; Chen, Z.; Li, H.; Xu, Q.

2006-01-01T23:59:59.000Z

460

Binaural model-based speech intelligibility enhancement and assessment in  

E-Print Network [OSTI]

#12;Binaural model-based speech intelligibility enhancement and assessment in hearing aids beamforming and the effect on binaural cues and speech intelligibility . . . . . . . . . . 31 2.3.4 Cepstral smoothing of masks . . . . . . . . . . . . . . . . . . 35 2.4 Binaural CASA speech

Note: This page contains sample records for the topic "intelligent distributed power" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


461

An improved speech transmission index for intelligibility prediction Belinda Schwerin  

E-Print Network [OSTI]

transmission index; Modulation transfer function; Speech enhancement; Objective evaluation; Speech intelligibility; Short-time modulation spectrum 1. Introduction The enhancement of speech corrupted by noise hasAn improved speech transmission index for intelligibility prediction Belinda Schwerin , Kuldip

462

Intelligent weather agent for aircraft severe weather avoidance  

E-Print Network [OSTI]

avoidance capability has increased. In this thesis, an intelligent weather agent is developed for general aviation aircraft. Using a radar image from an onboard weather radar, the intelligent weather agent determines the safest path around severe weather...

Bokadia, Sangeeta

2002-01-01T23:59:59.000Z

463

artificial intelligence approach: Topics by E-print Network  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

... Brady, Michael 1984-02-01 16 An artificial intelligence approach to model-based gas lift troubleshooting Texas A&M University - TxSpace Summary: AN ARTIFICIAL INTELLIGENCE...

464

artificial intelligence approaches: Topics by E-print Network  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

... Brady, Michael 1984-02-01 16 An artificial intelligence approach to model-based gas lift troubleshooting Texas A&M University - TxSpace Summary: AN ARTIFICIAL INTELLIGENCE...

465

The New Frontier of Human-Level Artificial Intelligence Introduction  

E-Print Network [OSTI]

Within the field of human-level intelligence, researchers are combining a variety of approaches toward the goals of human-like breadth, flexibility, and resilience for artificial intelligence systems. Each of the four ...

Winston, Patrick Henry

466

Phase shifter approaches for compact low-power phased array transmitters  

E-Print Network [OSTI]

to compensate for power loss during signal distribution,suffered significant power loss while LO distribution atTO further reduce the power loss of the frequency doubler

Kim, Sunghwan

2010-01-01T23:59:59.000Z

467

Alan Turing and the development of Artificial Intelligence  

E-Print Network [OSTI]

1 Alan Turing and the development of Artificial Intelligence Stephen Muggleton , During the centennial year of his birth Alan Turing (1912-1954) has been widely celebrated as having laid the paper. Keywords: Alan Turing, Artificial Intelligence, Ma- chine Intelligence 1. Introduction

Muggleton, Stephen H.

468

Intelligent Transportation Systems: Saving Lives, Time and Money Kristin Tufte  

E-Print Network [OSTI]

Intelligent Transportation Systems: Saving Lives, Time and Money Kristin Tufte Portland State University June 23, 2010 #12;Intelligent Transportation Systems: Saving Lives, Time and Money 1,400,000 urban cities 3 counties 1 region #12;Intelligent Transportation Systems: Saving Lives, Time and Money Why Now

Bertini, Robert L.

469

Intelligent PID Controllers Michel Fliess and Cedric Join  

E-Print Network [OSTI]

Intelligent PID Controllers Michel Fliess and C´edric Join Abstract-- Intelligent PID controllers, or i-PID controllers, are PID controllers where the unknown parts of the plant, which might be highly to more classic PID regulators. Key words-- PID control, intelligent PID controllers, model- free control

Paris-Sud XI, Université de

470

Intelligent Transformer Monitoring System Utilizing Neuro-Fuzzy  

E-Print Network [OSTI]

Intelligent Transformer Monitoring System Utilizing Neuro-Fuzzy Technique Approach Intelligent Center Intelligent Transformer Monitoring System Utilizing Neuro-Fuzzy Technique Approach Final Project transformers and circuit breakers off-line, in order to assess whether the equipment is operating normally

471

PNWD-SA-6893 Instrumenting the Intelligence Analysis Process  

E-Print Network [OSTI]

PNWD-SA-6893 Instrumenting the Intelligence Analysis Process Ernest Hampson Paula Cowley PresentedLean, VA, USA Battelle Memorial Institute #12;Instrumenting the Intelligence Analysis Process Ernest process Abstract The Advanced Research and Development Activity initiated the Novel Intelligence from

472

Artificial Intelligence Techniques for Steam Generator Modelling  

E-Print Network [OSTI]

This paper investigates the use of different Artificial Intelligence methods to predict the values of several continuous variables from a Steam Generator. The objective was to determine how the different artificial intelligence methods performed in making predictions on the given dataset. The artificial intelligence methods evaluated were Neural Networks, Support Vector Machines, and Adaptive Neuro-Fuzzy Inference Systems. The types of neural networks investigated were Multi-Layer Perceptions, and Radial Basis Function. Bayesian and committee techniques were applied to these neural networks. Each of the AI methods considered was simulated in Matlab. The results of the simulations showed that all the AI methods were capable of predicting the Steam Generator data reasonably accurately. However, the Adaptive Neuro-Fuzzy Inference system out performed the other methods in terms of accuracy and ease of implementation, while still achieving a fast execution time as well as a reasonable training time.

Wright, Sarah

2008-01-01T23:59:59.000Z

473

High Flux Commercial Illumination Solution with Intelligent Controls  

SciTech Connect (OSTI)

This report summarizes the work performed at OSRAM SYLVANIA under US Department of Energy contract DE-EE0003241 for developing a high efficiency LED-based luminaire. A novel light engine module (two versions: standard and super), power supply and luminaire mechanical parts were designed and tested. At steady-state, the luminaire luminous flux is 3156 lumens (lm), luminous efficacy 97.4 LPW and CRI (Ra) 88 at a correlated color temperature (CCT) of 3507K. When the luminaire is fitted with the super version of the light engine the efficacy reaches 130 LPW. In addition, the luminaire is provided with an intelligent control network capable of additional energy savings. The technology developed during the course of this project has been incorporated into a family of products. Recently, the first product in the family has been launched.

Camil Ghiu

2012-04-30T23:59:59.000Z

474

A distributed accelerated gradient algorithm for distributed model predictive  

E-Print Network [OSTI]

of hydro power plants is to manage the available water resources efficiently, while following an optimal is applied to the power reference tracking problem of a hydro power valley (HPV) system. The applied power control, Distributed optimization, Accelerated gradient algorithm, Model predictive control

Como, Giacomo

475

Power Plant Power Plant  

E-Print Network [OSTI]

Basin Center for Geothermal Energy at University of Nevada, Reno (UNR) 2 Nevada Geodetic LaboratoryStillwater Power Plant Wabuska Power Plant Casa Diablo Power Plant Glass Mountain Geothermal Area Lassen Geothermal Area Coso Hot Springs Power Plants Lake City Geothermal Area Thermo Geothermal Area

Tingley, Joseph V.

476

Power Factor Reactive Power  

E-Print Network [OSTI]

power: 130 watts Induction motor PSERC Incandescent lights 0 0.002 0.004 0.006 0.008 0.01 0.012 0.014 0 power: 150 watts #12;Page 4 PSERC Incandescent Lights PSERC Induction motor with no load #12;Page 5 Incandescent Lights #12;Page 7 PSERC Incandescent lights power: Power = 118 V x 1.3 A = 153 W = 0.15 kW = power

477

Managing renewable resources via Collective Intelligence  

E-Print Network [OSTI]

Managing renewable resources via Collective Intelligence Brede, M., F. Boschetti, and D. Mc.Brede,Fabio.Boschetti,David.Mcdonald]@csiro.au Keywords: ABM, Game Theory, Resource Exploitation, Optimisation. EXTENDED ABSTRACT In a recent set of work, 2001; Wolpert et al, 2004) into resource management modelling. These tools were designed to minimise

Boschetti, Fabio

478

Unifying Artificial Intelligence Robotics: An Undergraduate Textbook  

E-Print Network [OSTI]

Unifying Artificial Intelligence Robotics: An Undergraduate Textbook Introduction to AI Robotics United States Naval Academy Robotics as a discipline has been active for more than 40 years in robotics, history has checked the development of texts appropriate for an undergraduate course from

Crabbe, Frederick

479

Foundations of Artificial Intelligence Neural Networks  

E-Print Network [OSTI]

Foundations of Artificial Intelligence Neural Networks Building Artificial Brains #12;Background of observed examples (training data). #12;Neural Networks Objectives Show how the human brain works Introduction The Human Brain (How a neuron works) Building Artificial Neurons Network Architecture and Learning

Qu, Rong

480

The Teleface project -disability, feasibility and intelligibility  

E-Print Network [OSTI]

as software running on a PC, or as a dedicated standalone unit (the "Teleface" unit). Other applications, such as Waxholm (Bertenstam et al, 1995) and the Olga system (Beskow, Elenius & McGlashan, 1997). Even-based spoken dialogue system Olga (Beskow et al., 1997). Intelligibility study We have created a database

Beskow, Jonas

Note: This page contains sample records for the topic "intelligent distributed power" from the National Library of EnergyBeta (NLEBeta).
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481

ARTIFICIAL INTELLIGENCE ] Learning One Subprocedure per Lesson  

E-Print Network [OSTI]

ARTIFICIAL INTELLIGENCE ] Learning One Subprocedure per Lesson Kurt VanLehn Department be called learning from lesson s'equence.~, because the extra information given to the learner is embedded section ,of this article, a variant of learning from lesson sequcnccs will bc discusscd whercm lessons arc

VanLehn, Kurt

482

INTELLIGENCE RESEARCH SPECIALIST, GS-0132-11  

Broader source: Energy.gov [DOE]

INTELLIGENCE RESEARCH SPECIALIST, GS-0132-11 Job Announcement Number: 15-001 Who may apply: All qualified U.S. citizens Annual Salary range: $51,947.00 - $81,706.00 / Per Year Open Period: February 19, 2015 - February 26, 2015

483

Intelligent Planning for Autonomous Underwater Vehicles  

E-Print Network [OSTI]

such as the Mid-Atlantic Ridge 4 / 10 #12;Autonomous Underwater Vehicles Unmanned, untethered submersibles AutosubIntelligent Planning for Autonomous Underwater Vehicles Zeyn Saigol January 31, 2007 Supervisors Underwater Vehicles Classical planning systems Problem specification Markov Decision Processes 2 / 10 #12

Yao, Xin

484

Technical Potential for Local Distributed  

E-Print Network [OSTI]

the impact of high penetrations of solar PV on wholesale power markets (energy and capacity Technical Potential for Local Distributed Photovoltaics in California Preliminary.391.5100 www.ethree.com Technical Potential for Local Distributed Photovoltaics in California Preliminary

485

Distribution System Voltage Performance Analysis for High-Penetration Photovoltaics  

SciTech Connect (OSTI)

This report examines the performance of commonly used distribution voltage regulation methods under reverse power flow.

Liu, E.; Bebic, J.

2008-02-01T23:59:59.000Z

486

IEEE POWER ENGINEERING SOCIETY ENERGY DEVELOPMENT AND POWER GENERATION COMMITTEE  

E-Print Network [OSTI]

--Price Cap Regulation: Stimulating Efficiency in Electricity Distribution in Latin America. (Luiz Barroso Sponsored by: International Practices for Energy Development and Power Generation Chairs: Luiz Barroso, PSR

Catholic University of Chile (Universidad Católica de Chile)

487

arXiv:cond-mat/0412004v3[cond-mat.stat-mech]29May2006 Power laws, Pareto distributions and Zipf's law  

E-Print Network [OSTI]

. For instance, the distributions of the sizes of cities, earthquakes, solar flares, moon craters, wars an enormous dynamic range, sometimes many orders of magnitude. A classic example of this type of behaviour 000. Clearly this is quite different from what we saw for heights of people. And an even more

Terzi, Evimaria

488

District heating and cooling systems for communities through power plant retrofit distribution network. Phase 2. Final report, March 1, 1980-January 31, 1984. Volume IV  

SciTech Connect (OSTI)

This volume contains the following: discussion of cost estimating methodology, detailed cost estimates of Hudson No. 2 retrofit, intermediate thermal plant (Kearny No. 12) and local heater plants; transmission and distribution cost estimate; landfill gas cost estimate; staged development scenarios; economic evaluation; fuel use impact; air quality impact; and alternatives to district heating.

Not Available

1984-01-31T23:59:59.000Z

489

Smart Grid Impact on Intelligent Buildings  

E-Print Network [OSTI]

?segmentation?proportions?similar?to?USA) 4,479,963 503,816 16,221 5,000,000 Total?North?America 11,044,912 1,242,110 39,991 12,327,013 89.6% 10.1% 0.3% 100.0% Source:?CABA?s?Smart?Grid?Impact?on? Intelligent?Buildings Definition Demand Response 1 (DR1) ? Existed?for?the?last?15?years...?are?not?necessarily?linked?to? energy?efficiency ? Some?end?users?provide?emergency?DR? e.g.?shorter?notice?and?shorter? intervals,?mostly?automated Source:?CABA?s?Smart?Grid?Impact?on? Intelligent?Buildings Definition Demand Response 2 (DR2) ? DR2?is?more?interactive ? Client...

Zimmer, R. J.

2013-01-01T23:59:59.000Z

490

Consensus + Innovations Approach for Distributed Multi-Agent Coordination in a Microgrid  

E-Print Network [OSTI]

-temporal constraints are presented. Index Terms--Economic Dispatch, Consensus + Innovations Algorithm, Distributed Hug, IEEE Member, Soummya Kar, IEEE Member Abstract--Distributed energy resources and demand side man. A potential solution is the employment of a distributed energy management approach which uses intelligence

Kar, Soummya

491

First Annual Conference on Intelligence Analysis Methods and Tools, May 2005 PNNL-SA-44274 Top Ten Needs for Intelligence Analysis Tool Development  

E-Print Network [OSTI]

First Annual Conference on Intelligence Analysis Methods and Tools, May 2005 PNNL-SA-44274 Top Ten Needs for Intelligence Analysis Tool Development Richard V. Badalamente and Frank L. Greitzer Battelle implications for intelligence analysis software tool develop- ment. 1. Introduction and Background Intelligence

492

artificial intelligence technologies: Topics by E-print Network  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

significant foresight. We argue that there is much that can be inferred Su, Sara 169 Alan Turing and the development of Artificial Intelligence Computer Technologies and...

493

artificial intelligence technology: Topics by E-print Network  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

significant foresight. We argue that there is much that can be inferred Su, Sara 169 Alan Turing and the development of Artificial Intelligence Computer Technologies and...

494

artificial intelligence application: Topics by E-print Network  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Schuster, New York, 1986. 9 Allen Newell and Herbert A. Simon Ricci, Francesco 171 Alan Turing and the development of Artificial Intelligence Computer Technologies and...

495

artificial intelligence applications: Topics by E-print Network  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Schuster, New York, 1986. 9 Allen Newell and Herbert A. Simon Ricci, Francesco 171 Alan Turing and the development of Artificial Intelligence Computer Technologies and...

496

artificial intelligence environment: Topics by E-print Network  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

requires creative imagination and marks real advance in science. Marcus Hutter 154 Alan Turing and the development of Artificial Intelligence Computer Technologies and...

497

Integrated intelligent systems in advanced reactor control rooms  

SciTech Connect (OSTI)

An intelligent, reactor control room, information system is designed to be an integral part of an advanced control room and will assist the reactor operator's decision making process by continuously monitoring the current plant state and providing recommended operator actions to improve that state. This intelligent system is an integral part of, as well as an extension to, the plant protection and control systems. This paper describes the interaction of several functional components (intelligent information data display, technical specifications monitoring, and dynamic procedures) of the overall system and the artificial intelligence laboratory environment assembled for testing the prototype. 10 refs., 5 figs.

Beckmeyer, R.R.

1989-01-01T23:59:59.000Z

498

artificial intelligence research: Topics by E-print Network  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

represent our observations such as "one's blood type is AB Sato, Taisuke 118 Journal of Artificial Intelligence Research 33 (2008) 3377 Submitted 0907; published 0908 ICE: An...

499

artificial intelligence conference: Topics by E-print Network  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

of the Japanese Society for Artificial Intelligence, 2005 Aggregation Pheromone System and Its Cycle model Computer Technologies and Information Sciences Websites Summary:...

500

applications artificial intelligence: Topics by E-print Network  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

16 (2003) 237250 Hierarchical decision making for proactive quality control: system Materials Science Websites Summary: by resorting to artificial intelligence and...